Change wording on TODO list for ungraded assignments
Change wording on TODO list for ungraded assignments

test plan:
 - create an assignment with a due date, but set
   "Display Grade As" to "Not Graded"
 - ensure a student sees "Complete (Assignment)" instead of
   "Turn In (Assignment)" in their TODO list

fixes CNVS-32739

Change-Id: I764ac5390482691e8482561885561b68e98db751
Reviewed-on: https://gerrit.instructure.com/93803
Tested-by: Jenkins
Reviewed-by: James Williams  <3a5f4ed991dbfa5c9ef76ad729d240ca12f62180@instructure.com>
QA-Review: David Tan <6283e310a2278fc51bdc4fb5974f70dd9c3366b9@instructure.com>
Product-Review: Jeremy Stanley <b3f594e10a9edcf5413cf1190121d45078c62290@instructure.com>

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