Revert "ARM: dts: msm: Add memory latency devices for msmtitanium"

The mem latency governor is planned to enable later as it is
impacting power. Hence revert the patch for now and enable it
after getting profiled.

Change-Id: I27209ead0d068d7f8ce36d885991e4368fe63474
Signed-off-by: Hanumath Prasad <hpprasad@codeaurora.org>