no more dynamic finders (controllers)

refs CNVS-15126

Change-Id: Icdea762c810c541d99c30922ee92d6c36686e1fa
Reviewed-on: https://gerrit.instructure.com/39670
Reviewed-by: Brian Palmer <brianp@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>