mesa: fold duplicated GL/GL_CORE/GLES3 entry in get_hash_params.py
mesa: fold duplicated GL/GL_CORE/GLES3 entry in get_hash_params.py

Signed-off-by: Emil Velikov <4c996f2f093ddd0585a556460b4cc3ba555546ef@gmail.com>
Reviewed-by: Matt Turner <789b315743a28dd066a4ba1459c35951c291d8a6@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler