cleaned up _helpers.scss partial 

[4971262](https://github.com/kwaledesign/Archetype-Utilities/commit/49712620697f012440f8e98a8945b5b8f97e00a8) and [4a18e0c](https://github.com/kwaledesign/Archetype-Utilities/commit/4a18e0c76606f4a8b9f05395bd61f5cea5bd0b2b)