Change (No Filtering) to be the default selected option.
Summary: Cleaning up my mess, (No Filtering) should be the default selected option in macros search form.
Test Plan: Go to /macro/query/advanced/ and verify that (No Filtering) is the default selected option.
Reviewers: epriestley
Reviewed By: epriestley
CC: Korvin, aran
Maniphest Tasks: T3692
Differential Revision: https://secure.phabricator.com/D6715