Rever overflow-x on property lists
Summary: I keep finding edge cases where this is causing issues, like PHUITagView in Audit as a property. Going to revert.
Test Plan: Review an Audit, tag is not cut off.
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Differential Revision: https://secure.phabricator.com/D10740