chore: clean up Node.js TOC for cloud-rad (#407)

* chore: clean up Node.js TOC for cloud-rad

Source-Author: F. Hinkelmann <franziska.hinkelmann@gmail.com>
Source-Date: Wed Oct 21 09:26:04 2020 -0400
Source-Repo: googleapis/synthtool
Source-Sha: f96d3b455fe27c3dc7bc37c3c9cd27b1c6d269c8
Source-Link: googleapis/synthtool@f96d3b4

* chore: fix Node.js TOC for cloud-rad

Source-Author: F. Hinkelmann <franziska.hinkelmann@gmail.com>
Source-Date: Wed Oct 21 12:01:24 2020 -0400
Source-Repo: googleapis/synthtool
Source-Sha: 901ddd44e9ef7887ee681b9183bbdea99437fdcc
Source-Link: googleapis/synthtool@901ddd4

packages/google-cloud-asset/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-asset.git",
-        "sha": "18d6522d9b0b8362700ce1171417fb23e2c704bc"
+        "sha": "c13b930fc5f71792cf3651091ac4ad779c84effb"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "5451633881133e5573cc271a18e73b18caca8b1b"
+        "sha": "901ddd44e9ef7887ee681b9183bbdea99437fdcc"
       }
     }
   ],