mesa: include mtypes.h less

- remove mtypes.h from most header files
- add main/menums.h for often used definitions
- remove main/core.h

v2: fix radv build

Reviewed-by: Brian Paul <brianp@vmware.com>

src/compiler/glsl/shader_cache.h

@@ -26,6 +26,9 @@
 
 #include "util/disk_cache.h"
 
+struct gl_context;
+struct gl_shader_program;
+
 void
 shader_cache_write_program_metadata(struct gl_context *ctx,
                                     struct gl_shader_program *prog);