Update TokenLibrary sample

Author: tomtal

Notebooks/Scala/Obtain credentials using TokenLibrary.ipynb

@@ -51,26 +51,6 @@
       ],
       "attachments": {}
     },
-    {
-      "cell_type": "code",
-      "execution_count": null,
-      "outputs": [],
-      "metadata": {},
-      "source": [
-        "// Synapse has inbuilt integration of linked services with CosmosDB via TokenLibrary\n",
-        "// For CosmosDB, linkedServiceName can be supplied through config\n",
-        "// Direct invokation of TokenLibrary is not required for obtaining credentials and connection info\n",
-        "\n",
-        "config = {\n",
-        "\"spark.cosmos.synapse.linkedService\" : \"<linkedServiceName>\",\n",
-        "\"spark.cosmos.region\" : \"<region>\",\n",
-        "\"spark.cosmos.container\" : \"<containerName>\"\n",
-        "}\n",
-        "\n",
-        "val df = spark.read.format(\"cosmos.olap\").options(**config).load()"
-      ],
-      "attachments": {}
-    },
     {
       "cell_type": "code",
       "execution_count": null,
@@ -95,7 +75,9 @@
       "execution_count": null,
       "outputs": [],
       "metadata": {},
-      "source": [],
+      "source": [
+        ""
+      ],
       "attachments": {}
     }
   ]