target/sh4: Remove MMU_MODE{0,1}_SUFFIX

The functions generated by these macros are unused.

Cc: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

target/sh4/cpu.h

@@ -254,8 +254,6 @@ void cpu_load_tlb(CPUSH4State * env);
 #define cpu_list sh4_cpu_list
 
 /* MMU modes definitions */
-#define MMU_MODE0_SUFFIX _kernel
-#define MMU_MODE1_SUFFIX _user
 #define MMU_USER_IDX 1
 static inline int cpu_mmu_index (CPUSH4State *env, bool ifetch)
 {