Revert "Bug 969587 - Integration tests for FTU variant customization"

This reverts commit 8afc6521e1b33d75b5fc726a407f08fe7b3f8b09.
Merge pull request #16249 from KevinGrandon/revert_bug_969587

Revert "Bug 969587 - Integration tests for FTU variant customization"