configure: rm some leftover

diff --git a/configure b/configure
index 2352ec6..39587aa 100755 (executable)
--- a/configure
+++ b/configure
@@ -153,7 +153,6 @@ if [ "$show_help" = "yes" ]; then
   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
   echo "  --disable-dynarec        disable dynamic recompiler"
   echo "                           (dynarec is only available and enabled on ARM)"
-  echo "  --disable-icache-emu     Disables the instruction cache emulation"
   echo "influential environment variables:"
   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
   exit 1