Revert "hammerhead: Define TARGET_USE_GOOGLE_DIALER"

We now have an open source dialer that supports Google Caller ID.

This reverts commit 8b07b7d83bd8745b047e2703b9716dce665dc971.
Revert "hammerhead: Copy GoogleDialer.apk to /system/priv-app on HAZE builds"

We now have a open source dialer that supports Google Caller ID

This reverts commit 1faf7e8f40d8343101365bf19e14596df45068ea.