Remove workaround for m68k ICE

fixed in gcc-4.6 upstream and Debian's gcc-4.4

Thanks: Thorsten Glaser

debian/rules

@@ -45,10 +45,6 @@ else
   WITH_LXC            = --without-lxc
 endif
 
-ifneq (,$(findstring ${DEB_BUILD_ARCH}, m68k))
-	CFLAGS = -fwrapv -DWRAPV
-endif
-
 DEB_BUILDDIR := $(CURDIR)/debian/build
 DEB_CONFIGURE_EXTRA_FLAGS :=     \
 	--disable-rpath          \