Revert "Revert "Remove code related to extended-opcode.""

This reverts commit 241e089ede168a1d89b2ba0cebae4d4b9a3d8586.

Change-Id: I92c38e95ce95c260637b041390fff9b72d2f2b65
Merge "Revert "Revert "Remove code related to extended-opcode.""" into kitkat