coverity#708784 Unused pointer value

as far as I can see the whole block is useless

Change-Id: I26f2a033090e2e855a344a038246142995fb5727
coverity#708845 help coverity out here

Change-Id: I1e8ec236c44e258124eaeb818fcd39e7bf15c4b9
coverity#708852 help coverity out here

Change-Id: I26c54d715b6c90c3bab9445a91fff5593dfa96bf
callcatcher: update unused code

Change-Id: I6487e6ede0a50d88a4f8c3d3b07bdad2603aa4b4
convert acceleration config page to .ui

Change-Id: I0868b635d3aca4d368f32a0035b3f57a0da35ac7