Revert "Contacts: Join the current contact with the selected contact"

This reverts commit 7c065b47b4448057dc0febab8db5e139ec2d3cdf.

Change-Id: Ida365c3bca17c55359c7b713ee4887e9262e1822
Merge "Revert "Contacts: Join the current contact with the selected contact"" into jb-mr2