Revert some commits related to MSIM

Revert "SystemUI: Avoid NPEs during status bar recreation for MSIM"

This reverts commit 55e0e9ec3b7d588639b4556fe7ec189bfba3aedd.

Revert "SystemUI: Fix network label regression"

This reverts commit 4aa95c5ebf8e74d87f8a0868f373fc6905d5479c.

Revert "SystemUI: Status bar UI cleanup for MSIM and roaming"

This reverts commit 4eb509a2c536726ce5165e718ebe99382bc4b132.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java

Change-Id: I4113370f933efd624d7b13d62a33c2d09f89f272

Revert "msim: initialize sim icon to the known state"

This reverts commit 0e588727c943cfb7b4cbb232205696d821a347a6.