fix: Revert AI nodes batching (#15129)

packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/methods/config.ts

@@ -270,29 +270,4 @@ export const nodeProperties: INodeProperties[] = [
 			},
 		},
 	},
-	{
-		displayName: 'Batch Processing',
-		name: 'batching',
-		type: 'collection',
-		placeholder: 'Add Batch Processing Option',
-		description: 'Batch processing options for rate limiting',
-		default: {},
-		options: [
-			{
-				displayName: 'Batch Size',
-				name: 'batchSize',
-				default: 100,
-				type: 'number',
-				description:
-					'How many items to process in parallel. This is useful for rate limiting, but will impact the agents log output.',
-			},
-			{
-				displayName: 'Delay Between Batches',
-				name: 'delayBetweenBatches',
-				default: 1000,
-				type: 'number',
-				description: 'Delay in milliseconds between batches. This is useful for rate limiting.',
-			},
-		],
-	},
 ];