Revert "Restorecon: factor out a lookup helper for context matches"

The upstream SELinux project has a variant of this patch.
Please see
https://github.com/SELinuxProject/selinux/commit/5cff2813c5792c438fa8fc38774ed048c55bee93
for the replacement. This change deletes the local modification.
A future change will merge in the upstream branch,
incorporating the upstream changes.

This reverts commit f69947cffabefcda6b92212771bb6882678a0e81.

Test: treehugger
4 files changed