[AMBARI-22995] Remove deprecated Upgrade Packs

[ncole]

What changes were proposed in this pull request?

Remove old upgrade packs to make way for the new design

How was this patch tested?

Ran unit tests, which failed fewer tests after this patch due to removal.

[ERROR] Tests run: 5027, Failures: 25, Errors: 19, Skipped: 37
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 27:55 min
[INFO] Finished at: 2018-02-14T16:52:58-05:00
[INFO] Final Memory: 100M/1902M
[INFO] ------------------------------------------------------------------------

[asfgit]

Refer to this link for build results (access rights to CI server needed):
https://builds.apache.org/job/Ambari-Github-PullRequest-Builder/632/
Test FAILed.
Test FAILured.