glsl: remove commented out code
glsl: remove commented out code

MaxGeometryOutputComponents is used as the value
for gl_MaxGeometryVaryingComponents

Acked-by: Matt Turner <789b315743a28dd066a4ba1459c35951c291d8a6@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler