delete partial fm support patches

there's not enough fm support upstream for these patches to do anything yet.
delete them for now.
patch: go with the default browser text autosizing
patches: wallpaper de-dup patch is upstream now
stop camera and soundrecorder audio threads crashing
revert this 16bit patch from androidarmv6 as it leads to obvious banding in a few places
use the default legacy hwcomposer
disable some boardconfig options

disabling one of these makes movie previews work again. not sure which.
delete some unused props