Add method for deleting calendar event

octoprint_reservations/google_calendar.py

@@ -79,3 +79,10 @@ class CalendarService:
 
             else:
                 raise
+
+    def delete_event(self, calendar_id: str, id: str):
+        event_id = self.encode_event_id(id)
+        try:
+            self.service.events().delete(calendar_id, event_id)
+        except HttpError as error:
+            print("Got error when deleting event: ", error)