remove cleanupFn usage from Vendored Gems job
remove cleanupFn usage from Vendored Gems job

refs DE-624

As part of making extendedStage() aware of stage node requirements, we need to remove consumers of the cleanupFn() functionality and replace them with extendedStage() compatible patterns.

Test Plan:
1. Vendored Gems behaves correctly

Change-Id: I81d2e003abe64fd0414ee9434cf61c602bda9f08
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/262862
QA-Review: Aaron Ogata <11ccf682c06d1508642f943a3962a1c3d00b8e44@instructure.com>
Product-Review: Aaron Ogata <11ccf682c06d1508642f943a3962a1c3d00b8e44@instructure.com>
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
Reviewed-by: Kyle Rosenbaum <08c6582752644f4eca90309d6d9805aeb3128ceb@instructure.com>

instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms