qcom-common: Remove obsolete features

Change-Id: I745c07fe55316d305fccad7f26c94f1db63b0408
qcom-common: Modify chown/chmod to not follow symlink

Change-Id: Ia172cc4368580e628007b33985000a7734d55ea5

Conflicts:
	rootdir/etc/init.qcom.post_boot.sh