defconfig: msm: Config Cleanup on SDM450 - 2

Disabling few extra configs seen on 4.9 compared to 3.18 kernel,
after disaussing with different teams

Change-Id: Iaab906482225b2fdac312302868960b530927fee
Signed-off-by: Manapragada Sai <smanapra@codeaurora.org>