remove alternative framerate options
remove alternative framerate options

removes option to pass 23 for 23.98, or 29 for 29.97
fixes two missed 2398 framerates

tado/ofxBlackmagic,sosolimited/ofxBlackmagic,sosolimited/ofxBlackmagic,kylemcdonald/ofxBlackmagic,tado/ofxBlackmagic,kylemcdonald/ofxBlackmagic