[driver] Remove the -ccc-host-triple alias.  This has been replaced by the
-target option.
rdar://10692880

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167158 91177308-0d34-0410-b5e6-96231b3b80d8

Conflicts:
	include/clang/Driver/Options.td

Change-Id: I40e22b9a8cfdb1123a11fc18aaedd937fc8253c0
Revert "[driver] Remove the -ccc-host-triple alias.  This has been replaced by the"

This reverts commit 6942f30c1f74ec94bfb0f01560a8c7c5ca2ff13f.