Possible to remove assignments from tutors individually or from all users

core/serializers/tutor.py

core/views/common_views.py

core/views/subscription.py

frontend/.eslintrc.js

frontend/.postcssrc.js

frontend/src/api.ts

frontend/src/components/UserOptions.vue

...nd/src/components/feedback_list/FeedbackSearchOptions.vue

frontend/src/components/mixins/mixins.ts

frontend/src/components/student_list/StudentList.vue

frontend/src/components/tutor_list/TutorList.vue

frontend/src/pages/reviewer/TutorOverviewPage.vue

frontend/src/pages/student/StudentSubmissionPage.vue

frontend/src/store/actions.ts

frontend/src/store/modules/tutor-overview.ts

frontend/src/store/mutations.ts

frontend/src/store/store.ts

frontend/tests/unit/.eslintrc.js

frontend/tsconfig.json