drm: remove unused wrapper macros

We don't use these anymore so nuke them.
Signed-off-by: Dave Airlie <airlied@redhat.com>

include/drm/drm_os_linux.h

@@ -87,15 +87,6 @@ static __inline__ int mtrr_del(int reg, unsigned long base, unsigned long size)
 /** Other copying of data from kernel space */
 #define DRM_COPY_TO_USER(arg1, arg2, arg3)		\
 	copy_to_user(arg1, arg2, arg3)
-/* Macros for copyfrom user, but checking readability only once */
-#define DRM_VERIFYAREA_READ( uaddr, size )		\
-	(access_ok( VERIFY_READ, uaddr, size ) ? 0 : -EFAULT)
-#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3)	\
-	__copy_from_user(arg1, arg2, arg3)
-#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3)	\
-	__copy_to_user(arg1, arg2, arg3)
-#define DRM_GET_USER_UNCHECKED(val, uaddr)		\
-	__get_user(val, uaddr)
 
 #define DRM_HZ HZ