packer: Remove debian7 images

  This is too old we may not want to support it anymore

packer/debian7-testing-version.json

-{
-    "variables": {
-        "user": "slapos",
-        "password": "slapos",
-        "disk_size": "100000",
-        "domain": ""
-    },
-
-    "builders":
-    [
-        {
-            "name": "debian7-testing-version",
-
-            "type": "qemu",
-            "format": "qcow2",
-            "accelerator": "kvm",
-            "disk_size": "{{ user `disk_size`}}",
-
-            "iso_url": "http://cdimage.debian.org/mirror/cdimage/archive/7.9.0/amd64/iso-cd/debian-7.9.0-amd64-netinst.iso",
-            "iso_checksum": "774d1fc8c5364e63b22242c33a89c1a3",
-            "iso_checksum_type": "md5",
-
-            "http_directory": "http",
-
-            "ssh_username": "{{user `user`}}",
-            "ssh_password": "{{user `password`}}",
-            "ssh_wait_timeout": "1800s",
-            "shutdown_command": "echo '{{user `password`}}'|sudo -S shutdown -h now",
-
-            "headless": true,
-            "boot_wait": "2s",
-            "boot_command": [
-                   "<esc><wait><wait>",
-                   "install auto ",
-                   "preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed-debian7.cfg ",
-                   "debian-installer=en_US locale=en_US keymap=us ",
-                   "netcfg/get_hostname={{ .Name }} ",
-                   "netcfg/get_domain={{ user `domain`}} ",
-
-                   "fb=false debconf/frontend=noninteractive ",
-
-                   "passwd/user-fullname={{user `user`}} ",
-                   "passwd/user-password={{user `password`}} ",
-                   "passwd/user-password-again={{user `password`}} ",
-                   "passwd/username={{user `user`}} ",
-
-                   "<enter>"
-            ]
-        }
-    ],
-
-    "provisioners": [
-        {
-            "type": "shell",
-            "execute_command": "echo '{{user `password`}}' | {{.Vars}} sudo -E -S bash '{{.Path}}'",
-            "scripts": [
-                "scripts/update.sh",
-                "scripts/packages.sh",
-                "scripts/setup-testing-version.sh",
-                "scripts/cleanup.sh"
-            ]
-        }
-    ]
-}

packer/debian7-vm-bootstrap.json

-{
-    "variables": {
-        "user": "slapos",
-        "password": "slapos",
-        "disk_size": "200000",
-        "domain": ""
-    },
-
-    "builders":
-    [
-        {
-            "name": "debian7-vm-bootstrap",
-
-            "type": "qemu",
-            "format": "qcow2",
-            "accelerator": "kvm",
-            "disk_size": "{{ user `disk_size`}}",
-
-            "iso_url": "http://cdimage.debian.org/mirror/cdimage/archive/7.11.0/amd64/iso-cd/debian-7.11.0-amd64-netinst.iso",
-            "iso_checksum": "096c1c18b44c269808bd815d58c53c8f",
-            "iso_checksum_type": "md5",
-
-            "http_directory": "http",
-
-            "ssh_username": "{{user `user`}}",
-            "ssh_password": "{{user `password`}}",
-            "ssh_wait_timeout": "1800s",
-            "shutdown_command": "echo '{{user `password`}}'|sudo -S shutdown -h now",
-
-            "headless": true,
-            "boot_wait": "2s",
-            "boot_command": [
-                   "<esc><wait><wait>",
-                   "install auto ",
-                   "preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed-debian7.cfg ",
-                   "debian-installer=en_US locale=en_US keymap=fr ",
-                   "netcfg/get_hostname={{ .Name }} ",
-                   "netcfg/get_domain={{ user `domain`}} ",
-
-                   "fb=false debconf/frontend=noninteractive ",
-
-                   "passwd/user-fullname={{user `user`}} ",
-                   "passwd/user-password={{user `password`}} ",
-                   "passwd/user-password-again={{user `password`}} ",
-                   "passwd/username={{user `user`}} ",
-
-                   "<enter>"
-            ]
-        }
-    ],
-
-    "provisioners": [
-        {
-            "type": "shell",
-            "execute_command": "echo '{{user `password`}}' | {{.Vars}} sudo -E -S bash '{{.Path}}'",
-            "scripts": [
-                "scripts/update.sh",
-                "scripts/packages.sh",
-                "scripts/cleanup.sh",
-                "scripts/vm-bootstrap.sh"
-            ]
-        }
-    ]
-}

packer/debian7.json

-{
-    "variables": {
-        "user": "slapos",
-        "password": "slapos",
-        "domain": "",
-        "disk_size": "100",
-        "name": "image",
-        "custom_script": "scripts/empty.sh"
-    },
-
-    "builders":
-    [
-        {
-            "name": "debian7-{{ user `disk_size`}}G-{{ user `name`}}",
-
-            "type": "qemu",
-            "format": "qcow2",
-            "accelerator": "kvm",
-            "disk_size": "{{ user `disk_size`}}000",
-
-            "iso_url": "http://cdimage.debian.org/mirror/cdimage/archive/7.11.0/amd64/iso-cd/debian-7.11.0-amd64-netinst.iso",
-            "iso_checksum": "096c1c18b44c269808bd815d58c53c8f",
-            "iso_checksum_type": "md5",
-
-            "http_directory": "http",
-
-            "ssh_username": "{{user `user`}}",
-            "ssh_password": "{{user `password`}}",
-            "ssh_wait_timeout": "1800s",
-            "shutdown_command": "echo '{{user `password`}}'|sudo -S shutdown -h now",
-
-            "headless": true,
-            "boot_wait": "2s",
-            "boot_command": [
-                   "<esc><wait><wait>",
-                   "install auto ",
-                   "preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed-debian7.cfg ",
-                   "debian-installer=en_US locale=en_US keymap=fr ",
-                   "netcfg/get_hostname={{ .Name }} ",
-                   "netcfg/get_domain={{ user `domain`}} ",
-
-                   "fb=false debconf/frontend=noninteractive ",
-
-                   "passwd/user-fullname={{user `user`}} ",
-                   "passwd/user-password={{user `password`}} ",
-                   "passwd/user-password-again={{user `password`}} ",
-                   "passwd/username={{user `user`}} ",
-
-                   "<enter>"
-            ]
-        }
-    ],
-
-    "provisioners": [
-        {
-            "type": "shell",
-            "execute_command": "echo '{{user `password`}}' | {{.Vars}} sudo -E -S bash '{{.Path}}'",
-            "scripts": [
-                "scripts/update.sh",
-                "scripts/packages.sh",
-                "scripts/cleanup.sh",
-                "{{ user `custom_script` }}"
-            ]
-        }
-    ]
-}
-