Revert "d710: use gs2-common header"

This reverts commit 808f4ccc0a3256667bd0cf39b9067e82757d259a.

Change-Id: Ib5ce1c8cfbffed8f1bbfaec9a8e96b3942c5c229
Revert "d710: use unified fstab"

This reverts commit 40170b871a263dc245aa89f4703d12df6c8b47bb.

Change-Id: I6d4776582fa86098972c22f297f812e84ad55257