Revert "fix opDynamicAclRoute throws fatal error when using allow_empty option (fixes #3722, BP form #3507)"

This reverts commit f802e7eb1b625b63f12ee70f2d5ee0e877ec68b5.
isaosano fix opDynamicAclRoute throws fatal error when using allow_empty option (fixes #3722, BP form #3507)
Merge branch 't-3722' of https://github.com/isaosano/OpenPNE3 into t-3722