Always install the "icon" and "emoji" remarkup rules
Summary: Ref T10394. Currently, these rules are only active if the Macro application is installed. Instead, install them unconditionally.
Test Plan:
- Used {icon camera} with Macro installed and uninstalled.
Reviewers: chad
Reviewed By: chad
Maniphest Tasks: T10394
Differential Revision: https://secure.phabricator.com/D15311