test plan:
view styleguide and verify .icon-remove-from-collection
icon is present and working
Change-Id: If5cc61a00d244676165bf2233c237f2cb24f1f4c
Reviewed-on: https://gerrit.instructure.com/25018
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Patrick Cox <rpatrickcox@gmail.com>
QA-Review: Myller de Araujo <myller@instructure.com>
Reviewed-by: Ryan Florence <ryanf@instructure.com>