remove deprecated config options

autosens: config option to increase sensitivity faster #763

fix autosens increase accidentally increased 10x in 01bdbd52db7ac6cf11c0d488e68f30a4a97e547c

add note about approximate framerate and account for errors at 60 fsp

feat(windows): update build process and add application icon (#760)

Simplify idle timer (#762)

Add better support for higher framerates #749

use correct number of audio buffers to check for silence

fix sdl glsl output

fix mem leak on exit

use only cmake on windows instead of checked in project files

allow inputs/mic as source device on windows (#754)

core: tie smoothing to elapsed sample count

core: fix incorrect memset type

Replace broken AX_CHECK_GL with manual check