Revert "Fast Media Scan feature implementation"

This reverts commit ea790452e2812a616c7a7729f7fc8283019ae023.

Change-Id: Ib9ed5e0fa88d7dbd2fdde44d506a4dd10fd92ce3
Revert "FWB: Allow disabling of FC dialogs (1/2)"

This reverts commit 06147daf16407acd45a04362cab97c9b3f84fa44.

Change-Id: Ia0e7b8203626a540ad38495c7850b5ed18e6b503