Revert "software/theia: enable user installation of pip packages"

This reverts commit 6f167c36.

This causes issues that unexpectly slapos python processes use user
installed packages. This was to accomodate python extension prompting
user to install packages for them, but current version of the extension
no longer seem to do this.

software/theia/buildout.hash.cfg

@@ -15,7 +15,7 @@
 
 [instance-theia]
 _update_hash_filename_ = instance-theia.cfg.jinja.in
-md5sum = b31e74f018ae92607f4ff63984b33c7a
+md5sum = bf611d4551e6c2d4ea5fd22c3ae8ecfd
 
 [instance]
 _update_hash_filename_ = instance.cfg.in

software/theia/instance-theia.cfg.jinja.in

@@ -11,7 +11,6 @@ theia-environment-parts =
   slapos-repository
   runner-link
   settings.json
-  python-enable-user-pip
 
 theia-parts =
   frontend-instance
@@ -513,12 +512,6 @@ command =
   ${buildout:bin-directory}/slapos complete > $${directory:bash-completions}/slapos
   ${buildout:bin-directory}/slapos complete --shell fish > $${directory:fish-completions}/slapos.fish
 
-[python-enable-user-pip]
-# enable pip user installation for python extension
-recipe = plone.recipe.command
-stop-on-error = true
-command =
-  ${python:executable} -m ensurepip --user
 
 # Embedded Instance
 # -----------------