Revert "msm8974: Add TARGET_HAVE_NEW_GRALLOC flag"

 * New drivers, new bugs.  This one has issues with WFD and RS.
 * Rolling back until some other day.

This reverts commit d955cb62c9ef47811172e2f87081b7afdd00f9a5.

Change-Id: I0cc8597196aefdb7d3e9b9e7985f0c9b08f9baa9