Revert "Merge branch 'feature-bs3-collections' of https://github.com/ten24/Slatwall into feature-bs3-collections"

This reverts commit 4f34d65d128f102c5ebc711891ef50ad6b01d6fd, reversing
changes made to 679fae87aaf08488aacbf754407bba27a875bb38.
Revert "Add collections changes"

This reverts commit 679fae87aaf08488aacbf754407bba27a875bb38, reversing
changes made to 76918e30a17cd7bd7d03f5225f401b314bb1669c.
collections