Revert "BGL: Workaround broken bgl usage caused by GPU refactor"

This reverts commit f12b0373f3.

source/blender/python/generic/bgl.c

@@ -29,8 +29,6 @@
 #include "BLI_utildefines.h"
 #include "MEM_guardedalloc.h"
 
-#include "GPU_state.h"
-
 #include "../generic/py_capi_utils.h"
 
 #include "glew-mx.h"
@@ -1111,7 +1109,6 @@ static PyObject *Buffer_repr(Buffer *self)
     if (!PyArg_ParseTuple(args, arg_str arg_list, arg_ref arg_list)) { \
       return NULL; \
     } \
-    GPU_bgl_start(); \
     ret_set_##ret gl##funcname(arg_var arg_list); \
     ret_ret_##ret; \
   }