Revert "Store Network Mode selected in subId Table."

This reverts commit c0a17173f36781cda9d6653b172e2df2cc1ae3d4.

Conflicts:
	src/java/com/android/internal/telephony/ModemBindingPolicyHandler.java
	src/java/com/android/internal/telephony/SubscriptionHelper.java

Change-Id: I409b7704a5182d4e8112852daa4dce8d000fffd2
Fix invalid method declaration

Change-Id: I55343bc34bc222ed46565eb2d94e1f7716d2be44