Revert "msm: smmu: add re-route calling for specified iova."

This reverts commit ae94b477.

This change brings side effect of smmu fault in apq8098 project. It blocks their regression test.

Change-Id: Ia479188eca74ec988026f7d42207435da2f79bfc
Signed-off-by: Guchun Chen <guchunc@codeaurora.org>