config: Wind down Endless Key and drop it from master image

As discussed in Endless OS 7 features plan, wind down Endless Key and
drop it from master image.

https://phabricator.endlessm.com/T35871

Author: starnight

.editorconfig

@@ -14,6 +14,6 @@ indent_style = space
 indent_size = 2
 
 # Python
-[{*.py,eos-image-builder,run-build,helpers/{assemble-manifest,fetch-remote-collection-id,generate-ovf-files,kill-chroot-procs,kolibri-pick-content-from-channel,mutable-path,seed-kolibri-channels},hooks/{content/50-flatpak,image/{50-flatpak.chroot,52-ek-content-cache,62-kolibri-options,70-flatpak-appstream-catalog,70-flatpak-manifest,70-ostree-manifest,70-packages-manifest}}}]
+[{*.py,eos-image-builder,run-build,helpers/{assemble-manifest,fetch-remote-collection-id,generate-ovf-files,kill-chroot-procs,kolibri-pick-content-from-channel,mutable-path,seed-kolibri-channels},hooks/{content/50-flatpak,image/{50-flatpak.chroot,62-kolibri-options,70-flatpak-appstream-catalog,70-flatpak-manifest,70-ostree-manifest,70-packages-manifest}}}]
 indent_size = 4
 max_line_length = 88

config/defaults.ini

@@ -74,7 +74,6 @@ hooks_add =
   50-reclaim-swap-stamp
   50-gnome-software-cache
   50-xkb-layout.chroot
-  53-ek-content-preload
   60-dconf-prepare
   60-flatpak-autoinstall-counters.chroot
   60-kolibri-content
@@ -245,30 +244,6 @@ regular_users_can_manage_content = false
 #   # Kolibri 0.12.2 User Guide for Admins [document]
 #   5bb37c1832c8489ab2940f31588305f6
 
-[endlesskey]
-# Kolibri package specification to use when preloading data. This needs to be
-# less than or equal to the version in the org.endlessos.Key flatpak to ensure
-# it doesn't apply any database migrations that the app doesn't have yet.
-# Typically this will be kolibri==<version>, but may also be a URL for a
-# pre-release not on PyPI.
-kolibri_pkgspec = https://github.com/learningequality/kolibri/releases/download/v0.16.0-beta6/kolibri-0.16.0b6-py2.py3-none-any.whl
-
-# Kolibri xdg desktop file plugin to use when preloading channels. Out of the
-# box these desktop files are not used for Endless Key, but some OS images may
-# add them to the search path, so we should ensure they are pregenerated in the
-# OS image.
-kolibri_app_desktop_xdg_plugin_version = 1.3.0
-
-# Which Endless Key collections to preload in the image.
-# Must match the name of one of the collections shipped with the Endless Key
-# (ex. artist, explorer, spanish etc).
-collections_add =
-
-# By default, only the content specified in each collection will be included.
-# Set this to true to include all content from all channels in the requested
-# collections.
-include_full_channels = false
-
 [ostree]
 # Repository setup. By default the remote, remote repo and OS name are
 # all named eos.
@@ -469,7 +444,6 @@ apps_add =
   io.thp.numptyphysics
   org.audacityteam.Audacity
   org.blender.Blender
-  org.endlessos.Key
   org.gimp.GIMP
   org.gnome.Cheese
   org.gnome.Gnote

config/personality/base.ini

@@ -12,5 +12,3 @@ apps_del = ${apps_add_defaults}
 [flatpak-remote-flathub]
 # Delete all default additions and explicitly build the list from scratch.
 apps_del = ${apps_add_defaults}
-apps_add =
-  org.endlessos.Key

config/personality/en.ini

@@ -25,13 +25,3 @@ apps_add =
   com.endlessnetwork.drawingtutorials
   com.endlessnetwork.htmltutorials
   com.endlessnetwork.sciencesnacks
-
-[endlesskey]
-collections_add =
-  artist
-  athlete
-  curious
-  explorer
-  extras
-  inventor
-  scientist

config/personality/es.ini

@@ -43,8 +43,3 @@ apps_add =
 [flatpak-remote-flathub]
 apps_add =
   ar.com.pilas_engine.App
-
-[endlesskey]
-collections_add =
-  spanish
-  spanish-extras

hooks/image/53-ek-content-preload

@@ -115,7 +115,6 @@ class ImageConfigParser(configparser.ConfigParser):
         ('buildroot', 'mounts'),
         ('check', 'hooks'),
         ('content', 'hooks'),
-        ('endlesskey', 'collections'),
         ('error', 'hooks'),
         ('flatpak', 'locales'),
         ('flatpak-remote-*', 'apps'),