cleanup: Remove unused methods in the Submission model (#5819)
cleanup: Remove unused methods in the Submission model (#5819)


MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus