Revert "fixes bug 1066344 - Platforms model should ultimately read from os_names table"

This reverts commit 448830ff11378c08c6126e29bcf9413c47d88a91.
Merge pull request #2358 from rhelmer/bug1066392-revert-platforms-model-reading-from-os_names-table

Revert "fixes bug 1066344 - Platforms model should ultimately read from ...