Squash revert Multicarrier overlays

Don't see why we need these anymore.

Revert "Fix derp add C Spire"

This reverts commit 7aa2e79fe03c609e702de001333ffe32ca522bac.

Revert "Add C Spire to multicarrier"

This reverts commit 64614efaeabc20a8512270d71b15a59df015cdbb.

Revert "Fix Typo : From was written form"

This reverts commit 56e132b41b35370c15ee324cd1f73594b9e24fcd.

Revert "Vendor: add multicarrier for unifyed devices"

This reverts commit 0a8fc1616bc4e93fbc4c2bcd68bf252eab4cafc8.

Change-Id: If38f8e580c43359a569497b4832e789dd7a4e5c6
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Merge https://github.com/SlimRoms/vendor_slim