Remove unused is_softmmu parameter from cpu_handle_mmu_fault

Parameter is_softmmu (and its evil mutant twin brother is_softmuu)
is not used in cpu_*_handle_mmu_fault() functions, remove them
and adjust callers.

Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/target-lm32/helper.c b/target-lm32/helper.c
index e79428d..48c402e 100644
--- a/target-lm32/helper.c
+++ b/target-lm32/helper.c
@@ -26,7 +26,7 @@
 #include "host-utils.h"
 
 int cpu_lm32_handle_mmu_fault(CPUState *env, target_ulong address, int rw,
-                               int mmu_idx, int is_softmmu)
+                              int mmu_idx)
 {
     int prot;