Clean up some code in mod_dav.

Submitted by: Dan Rall <dlr collab.net>

* modules/dav/main/mod_dav.c
  (dav_error_response, dav_error_response_tag): Remove redundant assignment
   of r->status_line which is handled by basic_http_header_check().


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@377292 13f79535-47bb-0310-9956-ffa450edef68