Replace "getRequestURI()->setQueryParams(array())" with "getPath()"
Summary:
Ref T13250. A handful of callsites are doing getRequestURI() + setQueryParams(array()) to get a bare request path.
They can just use getPath() instead.
Test Plan: See inlines.
Reviewers: amckinley
Reviewed By: amckinley
Maniphest Tasks: T13250
Differential Revision: https://secure.phabricator.com/D20150