target/cris: Remove MMU_MODE{0,1}_SUFFIX

The functions generated by these macros are unused.

Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/cris/cpu.h

@@ -253,8 +253,6 @@ enum {
 #define cpu_signal_handler cpu_cris_signal_handler
 
 /* MMU modes definitions */
-#define MMU_MODE0_SUFFIX _kernel
-#define MMU_MODE1_SUFFIX _user
 #define MMU_USER_IDX 1
 static inline int cpu_mmu_index (CPUCRISState *env, bool ifetch)
 {