Revert "msm: display: fence fd releasing"

This reverts commit 86bb7c63d4868939ccd60c4c213270ac2618ca77.

Change-Id: I98ac37a7ab1e167354554535bfb3b42ca2af16f6
Signed-off-by: Shruthi Krishna <skrish@codeaurora.org>
Revert "msm_fb: display: Create sysfs entries in mdp_probe for MDP4 targets"

This reverts commit 21ac991cd3cb93f9c7cd440e2af50e4d09c607b2.

This is breaking display in F160S (and probably in F160K and L)