FMApp: Unused code removed

FmPresetList class removed because it never more used.
This action may help to make FmRxApp GUI controls non static

Change-Id: I1724d11acdda7a3a7edc9d770dd064873739717c
Signed-off-by: Anatolii Shuba <x0158321@ti.com>
FmRxApp: code clean-up

Removed strange 'static' modifiers from Activity GUI controls

Change-Id: I5763719383f70ab7fa53172f3e6967c4d9af7669
Signed-off-by: Anatolii Shuba <x0158321@ti.com>