Revert "[2/4] Telephony: Add Dialer suggestions and reverse lookup"

To be replaced with Slim's implementation ->

https://gerrit.slimroms.net/#/c/3105/

This reverts commit d42cce4ec069d5751b4892c82cdcf3da502ea466.

Change-Id: Iebd230916678e162790db4fa2df03c3ab3a076fc