Remove outdated documentation

auto-update.rst

-About auto update system
-************************
-
-Auto-update system is composed of two script:
-- slapudate.py in charge of updating/upgrading computer
-- upload-update.py in charge of uploading update information
-
-
-slapupdate
-----------
-slapudate is called by a cron job every day at midnight.
-
-It will connect to shacache to obtain last update information available.
-This file give authorized reporitories, date of needed reboot and upgrade
-and requested openSUSE version.
-
-If update date is newer than last requested update:
-1. We remove all repositories
-2. We add authorized repositories
-3. We check openSUSE version
-- If requested version is higher than current version we do a dist-upgrade
-  and reboot
-- Else we run upgrade
-
-If reboot date is newer than last requested one on we reboot.
-
-
-upload-update
--------------
-
-This script will use a slapos-upgrade information file
-(in /etc/slapos-cache/slapos-upgrade by default),
-modify it according to option, ask confirmation and upload it to shacache.
-
-- Note: You will need your slapos.cfg for shacache upload ready in /etc/slapos-cache/
-
-options
-+++++++
-  --upgrade-file=UPGRADE_FILE
-                        File use as reference to upgrade.
-  -u, --upgrade         If selected will update tomorrow.
-  -r, --reboot          If selected will reboot tomorrow.
-  -n, --dry-run         Simulate the execution steps
-  -h, --help            show this help message and exit
-
-slapos-upgrade information file
-+++++++++++++++++++++++++++++++
-[repositories]
-suse = http://download.opensuse.org/distribution/12.1/repo/oss/
-slapos = http://download.opensuse.org/repositories/home:/VIFIBnexedi/openSUSE_12.1
-
-[system]
-reboot = 2012-09-05
-upgrade = 2012-09-05
-opensuse_version = 12.1
-
-Example
-+++++++
-
-- We want computers to update (at midnight)
-python upload-update.py -u
-
-- We want computers to update and reboot (at midnght)
-python upload-update.py -u -r
-