sim: m32c/rl78: drop redundant -Wall settings
We already turn these on in the configure script.
diff --git a/sim/m32c/Makefile.in b/sim/m32c/Makefile.in
index c5b1495..c88b387 100644
--- a/sim/m32c/Makefile.in
+++ b/sim/m32c/Makefile.in
@@ -20,7 +20,7 @@
## COMMON_PRE_CONFIG_FRAG
-SIM_EXTRA_CFLAGS = -Wall -DTIMER_A
+SIM_EXTRA_CFLAGS = -DTIMER_A
SIM_RUN_OBJS = \
main.o \
diff --git a/sim/rl78/Makefile.in b/sim/rl78/Makefile.in
index 257bad0..2dae7df 100644
--- a/sim/rl78/Makefile.in
+++ b/sim/rl78/Makefile.in
@@ -20,8 +20,6 @@
## COMMON_PRE_CONFIG_FRAG
-SIM_EXTRA_CFLAGS = -Wall
-
SIM_RUN_OBJS = \
main.o