Fix spec.
Revert "Removing non existent items from params to avoid bug when clicking on remove multiple times or when clicking on multiple remove buttons"

This reverts commit 466b3fecf71bc38714dd637e04a5bd4ac0a6cc5d.

This commit broke the build.
Fixes regressions in sprockets >= 2.1.4

Fixes #5311
Fixes #5313