Revert "Add GCC deprecation warning and link to deprecation schedule."

This reverts commit bdb57364ad4941a344b6d6e22083762a7669c582.

Change-Id: I542c03593ca2eecca1925898c95561faf5633d83
(cherry picked from commit 0e7d16580dd5fb78734174d56887f1e681d0ee4a)
4 files changed