Remove unused menu_action_ok LOG
Simplify rarch_render_cached_frame
Move ifndef HAVE_GCMGL checks outside of gl.c and into
shader_gl_cg.c - also implement stub glGenerateMipmapOES
for GCMGL
Free up g_extern.lifecycle_state - start with getting rid of
MODE_EXTLAUNCH_MULTIMAN/MODE_EXITSPAWN_MULTIMAN
Get rid of MODE_OSK_ENTRY_SUCCESS/MODE_OSK_ENTRY_FAIL