Revert "Refactor Google analytics inclusions"

- This reverts commit 6bb7f13a6967ce5e2b4bc0d10ead2d79a6d0b524.
- It was causing GA to fail because it was trying to load from
S3 due to asset_sync.
Merge pull request #790 from loomio/revert-analytics-change

Revert "Refactor Google analytics inclusions"