Delete duplicate definitions.

This reverts 8f91ed6c.
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

include/asm-mips/errno.h

@@ -119,10 +119,6 @@
 #define	EOWNERDEAD	165	/* Owner died */
 #define	ENOTRECOVERABLE	166	/* State not recoverable */
 
-/* for robust mutexes */
-#define	EOWNERDEAD	165	/* Owner died */
-#define	ENOTRECOVERABLE	166	/* State not recoverable */
-
 #define EDQUOT		1133	/* Quota exceeded */
 
 #ifdef __KERNEL__