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/link_uniform_blocks.cpp

@@ -21,13 +21,14 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
-#include "main/core.h"
 #include "ir.h"
 #include "linker.h"
 #include "ir_uniform.h"
 #include "link_uniform_block_active_visitor.h"
 #include "util/hash_table.h"
 #include "program.h"
+#include "main/errors.h"
+#include "main/mtypes.h"
 
 namespace {