Make collection.remove() a no-op on client
Make collection.remove() a no-op on client

This matches the server behavior.  It's dangerously easy to accidently
pass a falsey selector to remove.  To really remove all documents in a
collection, explicitly pass the {} selector.

Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor