Revert "Versioning"

This reverts commit 5bca29c5c1013a820065092eaa042d1f0f71b2f9.
Revert "Several fixes for crawlability and other SEO related issues caused by the recent apptimizer upgrade."

This reverts commit 5c69ca62edb45409d7e503a6644bcfb2f37475f6.