Remove old implementation of collection filtering

As part of the prep work for 2.4.0, we're removing the filter
properties used on collections as we prepare a different implementation.
Unfortunately, this has to be removed to prevent conflicting APIs
and for performance.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge pull request #676 from enyojs/remove-collection-filters

Remove old implementation of collection filtering

This is sufficient for now until the replacement is ready.

Reviewed-By: Cole Davis (cole.davis@lge.com)