Remove unused legacy GL hardware/driver support

It was assumed that generic hardware/driver was used, so remove the special case code.
Remove Voodoo driver option from q3_ui.
Remove smpActive from glconfig_t.
Merge remote-tracking branch 'spearmint/master'

Conflicts:
	code/client/cl_cin.c
	code/client/cl_main.c
	code/q3_ui/ui_qmenu.c
Remove Ogg Theora support

Code is ugly, not sure it works corrently.