Revert "Bug 918582 - [B2G] [Buri] [Contacts] User sees no response when tapping contact phone number with no SIM in the device"

This reverts commit 790ced33e463060862170c93e29d826619828a2d.
Bug 918582 - [B2G] [Buri] [Contacts] User sees no response when tapping contact phone number with no SIM in the device
Bug 920851 - Listen to mozbrowser events on iframes embedded within the trusted UI instead of on the trusted UI iframe itself. r=vingtetun
Merge pull request #12578 from ferjm/bug920851.mozbrowser.trustedui

Bug 920851 - Listen to mozbrowser events on iframes embedded within the ...
Merge pull request #12661 from jmcanterafonseca/fix_sim_call2

Bug 918582 - [B2G] [Buri] [Contacts] User sees no response when tapping ...
Bug 923622 - Avoid flickering showing the context menu dialog and implement a smooth transition