chore: start tracking obsolete files (#194)

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synth.metadata

@@ -4,15 +4,66 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/teeny-request.git",
-        "sha": "17e5356294dc4f3b05a4559ca24c559f9d401a64"
+        "sha": "e092cabc079e57174599cd63ca7644433f0e3685"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "5747555f7620113d9a2078a48f4c047a99d31b3e"
+        "sha": "1a60ff2a3975c2f5054431588bd95db9c3b862ba"
       }
     }
+  ],
+  "generatedFiles": [
+    ".eslintignore",
+    ".eslintrc.json",
+    ".gitattributes",
+    ".github/ISSUE_TEMPLATE/bug_report.md",
+    ".github/ISSUE_TEMPLATE/feature_request.md",
+    ".github/ISSUE_TEMPLATE/support_request.md",
+    ".github/PULL_REQUEST_TEMPLATE.md",
+    ".github/publish.yml",
+    ".github/release-please.yml",
+    ".github/workflows/ci.yaml",
+    ".kokoro/.gitattributes",
+    ".kokoro/common.cfg",
+    ".kokoro/continuous/node10/common.cfg",
+    ".kokoro/continuous/node10/docs.cfg",
+    ".kokoro/continuous/node10/lint.cfg",
+    ".kokoro/continuous/node10/samples-test.cfg",
+    ".kokoro/continuous/node10/system-test.cfg",
+    ".kokoro/continuous/node10/test.cfg",
+    ".kokoro/continuous/node12/common.cfg",
+    ".kokoro/continuous/node12/test.cfg",
+    ".kokoro/docs.sh",
+    ".kokoro/lint.sh",
+    ".kokoro/populate-secrets.sh",
+    ".kokoro/presubmit/node10/common.cfg",
+    ".kokoro/presubmit/node10/samples-test.cfg",
+    ".kokoro/presubmit/node10/system-test.cfg",
+    ".kokoro/presubmit/node12/common.cfg",
+    ".kokoro/presubmit/node12/test.cfg",
+    ".kokoro/publish.sh",
+    ".kokoro/release/docs-devsite.cfg",
+    ".kokoro/release/docs-devsite.sh",
+    ".kokoro/release/docs.cfg",
+    ".kokoro/release/docs.sh",
+    ".kokoro/release/publish.cfg",
+    ".kokoro/samples-test.sh",
+    ".kokoro/system-test.sh",
+    ".kokoro/test.bat",
+    ".kokoro/test.sh",
+    ".kokoro/trampoline.sh",
+    ".mocharc.js",
+    ".nycrc",
+    ".prettierignore",
+    ".prettierrc.js",
+    "CODE_OF_CONDUCT.md",
+    "CONTRIBUTING.md",
+    "LICENSE",
+    "api-extractor.json",
+    "package-lock.json.1831917975",
+    "renovate.json"
   ]
 }