remove unused file

Change-Id: I2510e57e2e44796f5aa640885a53b4bfc4abfdd6
Reviewed-on: https://gerrit.instructure.com/37306
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Dave Donahue <ddonahue@instructure.com>
Product-Review: Dave Donahue <ddonahue@instructure.com>
QA-Review: Dave Donahue <ddonahue@instructure.com>