[chore] Remove debug flags
package contract
/*
-#cgo CFLAGS: -I${SRCDIR}/../libtool/include/luajit-2.0 -g -O0
+#cgo CFLAGS: -I${SRCDIR}/../libtool/include/luajit-2.0
#cgo LDFLAGS: ${SRCDIR}/../libtool/lib/libluajit-5.1.a -lm
#include <stdlib.h>
