refactor(ticket): remove defect-classes endpoint and related hooks

src/services/api/ticket.service.ts

@@ -13,7 +13,6 @@ import type {
   TicketExtensionRequestsResponse,
   TicketExtensionRequestsParams,
   TicketOverviewDetail,
-  TicketDefectClassesResponse,
   TicketListParams,
   TicketListResponse,
   TicketTimelineResponse,
@@ -62,15 +61,6 @@ export const ticketService = {
     return response.data;
   },
 
-  getTicketDefectClasses: async (
-    ticketId: string,
-  ): Promise<TicketDefectClassesResponse> => {
-    const response = await axiosClient.get<TicketDefectClassesResponse>(
-      API_ROUTES.TICKETS.DEFECT_CLASSES(ticketId),
-    );
-    return response.data;
-  },
-
   getAssignableUsers: async (
     params?: AssignableTicketUsersParams,
   ): Promise<AssignableTicketUsersResponse> => {