Revert "set default cdma subscription to RUIM"
Testers confirm this is not needed for d2mtr-with revert will set to correct subscription NV.

This reverts commit d9d40377e0f8efac4c3e8486f4c69b0899b7b7f4.

Change-Id: I5fb545d05f419ac9e2ae2dc47fc99e8a682104d6