Rename classes from RemoveString* to RemoveValue* for Remove actions
Add test case for case sensitiveness in Remove actions

Fix bug with a negative index in case of extraction value is not found
Implement RemoveValues action with tests
Extract common logic for values removing to a separate method
Add negative quantity test and handling logic
Implement RemoveValues.From action with tests
Rename variables from RemoveString* to RemoveValue* for Remove actions
Implement RemoveValues.IgnoringCase action with tests
Implement RemoveValues.IgnoringCase.From action with tests