Revert some debug code accidentally checked in at commit 715.
diff --git a/configure b/configure
index 4aafb66..bf2561b 100644
--- a/configure
+++ b/configure
@@ -4,11 +4,11 @@
# A synonym.
[ -z "$CROSS_COMPILE" ] && CROSS_COMPILE="$CROSS"
-[ -z "$CFLAGS" ] && CFLAGS="-g -Wall -Wundef -Wno-char-subscripts"
+[ -z "$CFLAGS" ] && CFLAGS="-Wall -Wundef -Wno-char-subscripts"
# Required for our expected ABI. we're 8-bit clean thus "char" must be unsigned.
CFLAGS="$CFLAGS -funsigned-char"
-[ -z "$OPTIMIZE" ] && OPTIMIZE="-O0 -ffunction-sections -fdata-sections -Wl,--gc-sections"
+[ -z "$OPTIMIZE" ] && OPTIMIZE="-Os -ffunction-sections -fdata-sections -Wl,--gc-sections"
[ -z "$CC" ] && CC=cc
[ -z "$STRIP" ] && STRIP=strip