unparam lint (#16865)

Automatic Merge

api4/system.go

@@ -119,11 +119,7 @@ func generateSupportPacket(c *Context, w http.ResponseWriter, r *http.Request) {
 	// Send the zip file back to client
 	// We are able to pass 0 for content size due to the fact that Golang's serveContent (https://golang.org/src/net/http/fs.go)
 	// already sets that for us
-	writeFileResponseErr := writeFileResponse(outputZipFilename, FileMime, 0, now, *c.App.Config().ServiceSettings.WebserverMode, fileBytesReader, true, w, r)
-	if writeFileResponseErr != nil {
-		c.Err = model.NewAppError("generateSupportPacket", "api.unable_write_file_response", nil, writeFileResponseErr.Error(), http.StatusForbidden)
-		return
-	}
+	writeFileResponse(outputZipFilename, FileMime, 0, now, *c.App.Config().ServiceSettings.WebserverMode, fileBytesReader, true, w, r)
 }
 
 func getSystemPing(c *Context, w http.ResponseWriter, r *http.Request) {