Revert "Fixes for device specific dock support"

This reverts commit 43b80df7aea2fa6fa973ca3c5d639ee3f5582fd1.

Conflicts:
	core/res/res/values/config.xml
	packages/SystemUI/res/values/dimens.xml

Change-Id: I33bbf060a9158f6c7e005cc01eefdc7c4d9fcbd6
revert error

Change-Id: I3558d2d605c517133faedd5b6c0949cde8a0e06f