chore: clean up Node.js TOC for cloud-rad (#741)

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Source-Link: googleapis/synthtool@901ddd4
Source-Link: googleapis/synthtool@f96d3b4

Author: yoshi-automation

handwritten/datastore/.kokoro/release/docs-devsite.sh

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-datastore.git",
-        "sha": "90684c0c54d9b79ab5fa3c75769b750859462505"
+        "sha": "d5c9106f4af0fc4c1c959fa46b728192af6efc6d"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "5451633881133e5573cc271a18e73b18caca8b1b"
+        "sha": "901ddd44e9ef7887ee681b9183bbdea99437fdcc"
       }
     }
   ],