Update csv.ipynb description (#12878)

The line removed is not required as there are no other alternative
solutions above than that.

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docs/docs/integrations/toolkits/csv.ipynb

@@ -34,7 +34,7 @@
    "source": [
     "## Using `ZERO_SHOT_REACT_DESCRIPTION`\n",
     "\n",
-    "This shows how to initialize the agent using the `ZERO_SHOT_REACT_DESCRIPTION` agent type. Note that this is an alternative to the above."
+    "This shows how to initialize the agent using the `ZERO_SHOT_REACT_DESCRIPTION` agent type."
    ]
   },
   {