Get rid of un-needed float-specific defines around yuv support. Remove unintended support for rgb to yuv conversion. We only support yuv to rgb conversion.
component graphics_egltestsource \sf\os\graphics\egl\egltestbinary \sf\os\graphics\egl\egltest\group allexports \sf\os\graphics\egl\egltest\groupnotes_source \component_defs\release.srcipr T