drm: remove remnamt of old DRM code from tdfx

Signed-off-by: Dave Airlie <airlied@linux.ie>

drivers/char/drm/tdfx_drv.h

@@ -30,10 +30,6 @@
 #ifndef __TDFX_H__
 #define __TDFX_H__
 
-/* This remains constant for all DRM template files.
- */
-#define DRM(x) tdfx_##x
-
 /* General customization:
  */