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

To be replaced with Slim's implementation.

http://gerrit.nameless-rom.org/#/c/943/

This reverts commit 6f629ed2302ccdf52190c134f2a2eef0e929ef02.

Change-Id: I676d8667cb760466782d93930b4f92898c1dedfd