Upgrade to Kolibri 0.16.0-beta5

This release fixes cancelling of tasks so that stopping the worker
instance actually stops the running tasks instead of waiting until they
complete.

The patch is no longer needed since it was merged upstream.

Helps: endlessm/kolibri-explore-plugin#769

Jenkinsfile

@@ -15,7 +15,7 @@ pipeline {
         // URL for the Kolibri wheel to include.
         // FIXME: It would be nice to cache this somehow.
         // FIXME: Go back to use an official release once that happens on GitHub for 0.16.
-        KOLIBRI_WHL_URL = 'https://github.com/learningequality/kolibri/releases/download/v0.16.0-beta1/kolibri-0.16.0b1-py2.py3-none-any.whl'
+        KOLIBRI_WHL_URL = 'https://github.com/learningequality/kolibri/releases/download/v0.16.0-beta5/kolibri-0.16.0b5-py2.py3-none-any.whl'
 
         // Both p4a and gradle cache outputs in the home directory.
         // Point it inside the workspace.

Makefile

@@ -116,8 +116,6 @@ src/kolibri: clean
 	# End of cleanup.
 	# patch Django to allow migrations to be pyc files, as p4a compiles and deletes the originals
 	sed -i 's/if name.endswith(".py"):/if name.endswith(".py") or name.endswith(".pyc"):/g' src/kolibri/dist/django/db/migrations/loader.py
-	# Apply kolibri patches
-	patch -d src/ -p1 < patches/0001-Add-track-progress-information-to-channelimport.patch
 
 .PHONY: apps-bundle.zip
 apps-bundle.zip: