Bug 1063311 - [Contacts] Warning page does not work when tap email in user contact
Basically reverts f695792496326679702a0b2f48a9c384fd47473a
Merge pull request #23919 from jrburke/bug1063311-email-activity-config

Bug 1063311 - [Contacts] Warning page does not work when tap email in user contact r=asuth