[IMP] test_lint, *: enable no-unused-vars rule

addons/account/static/src/js/account_payment_field.js

addons/account/static/src/js/account_selection.js

addons/account/static/src/js/bills_upload.js

addons/account/static/src/js/mail_activity.js

addons/account/static/src/js/tax_totals.js

addons/auth_totp_mail/static/tests/totp_flow.js

..._automation/static/src/js/base_automation_error_dialog.js

...e_automation/static/tests/base_automation_error_dialog.js

addons/base_import/static/src/legacy/js/import_action.js

addons/base_import/static/src/legacy/js/import_menu.js

addons/google_calendar/static/src/js/google_calendar.js

addons/hr_expense/static/src/js/expense_qr_code_action.js

addons/hr_expense/static/src/js/upload_mixin.js

addons/hr_expense/static/tests/tours/expense_upload_tours.js

...ic/src/js/time_off_calendar/time_off_calendar_renderer.js

...tic/src/js/time_off_calendar/time_off_popover_renderer.js

addons/hr_org_chart/static/src/js/hr_org_chart.js

addons/hr_timesheet/static/src/js/qr_code_action.js

addons/l10n_sa_pos/static/src/js/models.js

addons/lunch/static/tests/lunch_kanban_mobile_tests.js