allow delete method in Success function

request/request.go

 	}
 
 	switch ctx.Request.Method {
-	case http.MethodGet, http.MethodHead, http.MethodOptions:
+	case http.MethodGet, http.MethodHead, http.MethodOptions, http.MethodDelete:
 		ctx.JSON(http.StatusOK, data)
 	case http.MethodPost, http.MethodPut, http.MethodPatch:
 		ctx.JSON(http.StatusCreated, data)