fix: list_templates tool (#209)

* fix: list_templates tool

* revert

Author: tstadel

src/deepset_mcp/mcp/tool_registry.py

@@ -187,7 +187,6 @@ async def search_docs(query: str) -> str:
             needs_client=True,
             needs_workspace=True,
             memory_type=MemoryType.EXPLORABLE,
-            custom_args={"field": "created_at", "order": "DESC", "limit": 100},
         ),
     ),
     "get_template": (