chore: remove unused changes

api/core/workflow/nodes/llm/entities.py

@@ -111,8 +111,9 @@ class LLMNodeData(BaseNodeData):
         ),
     )
 
-    # Tool support (from Agent V2)
+    # Tool support
     tools: Sequence[ToolMetadata] = Field(default_factory=list)
+    max_iterations: int | None = Field(default=None, description="Maximum number of iterations for the LLM node")
 
     @field_validator("prompt_config", mode="before")
     @classmethod

api/core/workflow/nodes/llm/node.py

@@ -1330,7 +1330,7 @@ class LLMNode(Node[LLMNodeData]):
             model_instance=model_instance,
             tools=tool_instances,
             files=prompt_files,
-            max_iterations=10,
+            max_iterations=self._node_data.max_iterations or 10,
             context=ExecutionContext(user_id=self.user_id, app_id=self.app_id, tenant_id=self.tenant_id),
         )