MIPS: Remove unused {en,dis}able_fpu macros

These macros are not used anywhere in the kernel. Remove them.
Signed-off-by: NPaul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6111/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/fpu.h

@@ -45,19 +45,6 @@ do {									\
 	disable_fpu_hazard();						\
 } while (0)
 
-#define enable_fpu()							\
-do {									\
-	if (cpu_has_fpu)						\
-		__enable_fpu();						\
-} while (0)
-
-#define disable_fpu()							\
-do {									\
-	if (cpu_has_fpu)						\
-		__disable_fpu();					\
-} while (0)
-
-
 #define clear_fpu_owner()	clear_thread_flag(TIF_USEDFPU)
 
 static inline int __is_fpu_owner(void)