Revert "LPS-38203 SF" - breaking build, will have bruno recommit

This reverts commit c6db88c5fec6f9155fe6c1e911873877b3c16bee.
Revert "LPS-38203 - Source formatting" - breaking build, will have bruno recommit

This reverts commit 182a06cbd690159b8e1b52023f39f026522a8301.
Revert "LPS-38203; LPS-38204 Make mixins globally available to be used outside of theme scope" - breaking build, will have bruno recommit

This reverts commit dad20ac94f76b779bde0cc2b6facfff4f794f0f4.