ROMControl: Remove Prefs Per Option State

Also clarified some strings.

PS3: Formatting.
PS4: Reoganize GeneralUI; remove prefs based on DPI;
     hide clock options if clock is hidden
PS5: Fix whitespace
PS6: More Prefs
PS8: Fix 2 preference removals in General UI

picked with changes for PAC
(cherry picked from commit 481a87a8ab9a2d14ecfa97a74467ce0dd2b247de)

Change-Id: I21f77eaf123a8b7f1cb07c00bba71239cfe420e0