R1:08775ea3661e

Don't show "archived" projects in typeaheads

Summary: Remove these from typeaheads, since "archive" basically means "delete".

Test Plan: Tried to typeahead an archived project.

Reviewers: btrahan, skrul

Reviewed By: skrul

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1872