drm: kill some unused DRM_PROC macros from drmP.h

i915_gem_proc.c appears to have been the last user of the DRM_PROC_*
macros, and it has gone away.  The macros should die as well.
Signed-off-by: Andres Salomon <dilinger@collabora.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

include/drm/drmP.h

@@ -245,16 +245,6 @@ extern void drm_ut_debug_printk(unsigned int request_level,
 
 #endif
 
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
-#define DRM_PROC_PRINT(fmt, arg...)					\
-   len += sprintf(&buf[len], fmt , ##arg);				\
-   if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; }
-
-#define DRM_PROC_PRINT_RET(ret, fmt, arg...)				\
-   len += sprintf(&buf[len], fmt , ##arg);				\
-   if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; }
-
 /*@}*/
 
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