Revert "Refresh icon/face list when you've selected a new picture.  TODO:"

This reverts commit 0be609bde62461f6c7c08755f0cb08ef5271325e.

Conflicts:
	panels/user-accounts/um-photo-dialog.c
	panels/user-accounts/um-user.c
Revert "Show ~/.face thumbnail in photo-picker dialog"

This reverts commit f98b2739a7b62159a9eb05e23308d05f907e495e.
Remove build dep
Fix a revert regression.