production runtime and mock removal

lib/volcengine/visual-client.ts

@@ -22,13 +22,6 @@ export function getVisualClientConfig(): VisualClientConfig | null {
   };
 }
 
-export function shouldMockVisualApi(): boolean {
-  const flag = process.env.JIMENG_VISUAL_MOCK || "auto";
-  if (flag === "1" || flag === "true") return true;
-  if (flag === "0" || flag === "false") return false;
-  return getVisualClientConfig() === null;
-}
-
 export async function submitVisualTask(
   payload: Record<string, unknown>,
   config = getVisualClientConfig()