Disabling code review is a two-step process:
For new installations of GitCentric 2013.3 and later, this action automatically configures the repository’s ACLs to enable direct push. If you have upgraded to GitCentric 2013.3 and later, this field appears as Advanced... and you must configure the repository ACLs to enable direct push manually. See Configuring GitCentric ACLs for Direct Push.
push = refs/heads/*:refs/for/*