Revert to state before "Add strand for create_stream_items"
Revert to state before "Add strand for create_stream_items"

flag=none
refs VICE-2765

Reverts 5fe90e0a37b8bdafb63a4be7749a4569921e9c12

Test Plan:
 - Tests pass

Change-Id: Id549b5ba2f2f36d1b5b67cd0dce3250a84af18fa
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/294849
Reviewed-by: Jason Gillett <12d37bea14b8257b31fd2f970455158adbd46adb@instructure.com>
QA-Review: Jason Gillett <12d37bea14b8257b31fd2f970455158adbd46adb@instructure.com>
Product-Review: Jason Gillett <12d37bea14b8257b31fd2f970455158adbd46adb@instructure.com>
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

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