remove rails 2 scripts that no longer work

Change-Id: I6d93611421613d09aee01195d84625db67cb914d
Reviewed-on: https://gerrit.instructure.com/41776
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Cody Cutrer <cody@instructure.com>
Product-Review: Rob Orton <rob@instructure.com>
QA-Review: Rob Orton <rob@instructure.com>