mod_rewrite: PR58854: Revert r1726016 (rewrite looping issue) which was

reverted in trunk in r1732896. The fix is bad and breaks old loop
avoidance.

Reviewed By: covener, ylavic, jim



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1734257 13f79535-47bb-0310-9956-ffa450edef68