refactor: remove 'mark as important' field and clean up console.log statements

- Remove 'important' field from EventFormFields component and all event modals
- Remove all console.log statements from event create/update flow
- Fix import issues and type compatibility in EventModal

src/features/Events/EventApi.ts

@@ -42,9 +42,6 @@ export async function putEvent(event: CalendarEvent, calOwnerEmail?: string) {
       "content-type": "text/calendar; charset=utf-8",
     },
   });
-  if (response.status === 201) {
-    console.log("PUT (201) :", response.url);
-  }
   return response;
 }