feat(lab-3584): remove legacy plugin handlers#2011

florianlega merged 1 commit intomainkili-technology/kili-python-sdk:mainfrom

feature/lab-3584-aakd-i-see-onsubmit-and-onreview-handlers-removed-fromkili-technology/kili-python-sdk:feature/lab-3584-aakd-i-see-onsubmit-and-onreview-handlers-removed-fromCopy head branch name to clipboard