Revert "Telephony: SMS over IMS"

This reverts commit 1a3e3d347eec784149ab2803489556a0f544c3a7.
Revert "Telephony: Add new apn.sim.operator_numeric property"

This reverts commit 2244ead60e13f73f518311667cacb775c32bce00.
Revert "Telephony: Add functionality to handle ICC IO error"

This reverts commit 70f491192e02c3998f0160fb0888695f786d1dd6.
Revert "Telephony: Initialize GsmCellLocation class members properly"

This reverts commit 8e3e22496940ac838ac8ecd14e9e9af22c39ddbe.
Revert "Telephony: Add Managed Roaming Intent."

This reverts commit 409370161fa73deb08ad9e053a7ade85333ab90c.
Revert "cleanup duplicate line"

This reverts commit daa6577b598ea3c174f712efd2e7b0cf64cf9a74.
Revert "Update Battery saver tile"

This reverts commit 31f84057e4c4e9e143d7444fb92955837a8e7570.
Revert "base: Battery Saver mode [1/2]"

This reverts commit d09f01e6bf4ecf67b4dd167e9f312facb502db11.