Remove apps from settings

Those lines are supposed to be replaced by their
counterparts in openstack_dashboard/enabled
and not used any more here. It's a leftover
and was forgotten to remove in
blueprint plugin-architecture

Implements blueprint plugin-architecture

Change-Id: I88ed5886304673391074f1cb681554a9288985e8
Enhance pie chart capabilities

Add support for distribution pie charts

Change-Id: I59e31be87b59c38a59ad861e270d6e20a6493432
Implements: blueprint piechart-enhancement
Merge "Enhance pie chart capabilities"
Merge "Remove apps from settings"