Clean up some of the extensions (#8267)

* 💄

* prune unused code

* more cleanup

* remove abunch of used code

extensions/admin-tool-ext-win/package.json

@@ -74,6 +74,7 @@
     "vscode-nls": "^3.2.1"
   },
   "devDependencies": {
+    "@types/node": "10",
     "mocha-junit-reporter": "^1.17.0",
     "mocha-multi-reporters": "^1.1.7",
     "should": "^13.2.3",

extensions/admin-tool-ext-win/yarn.lock

@@ -2,6 +2,11 @@
 # yarn lockfile v1
 
 
+"@types/node@10":
+  version "10.17.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.4.tgz#8993a4fe3c4022fda66bf4ea660d615fc5659c6f"
+  integrity sha512-F2pgg+LcIr/elguz+x+fdBX5KeZXGUOp7TV8M0TVIrDezYLFRNt8oMTyps0VQ1kj5WGGoR18RdxnRDHXrIFHMQ==
+
 "ads-extension-telemetry@github:Charles-Gagnon/ads-extension-telemetry#0.1.0":
   version "0.1.0"
   resolved "https://codeload.github.com/Charles-Gagnon/ads-extension-telemetry/tar.gz/70c2fea10e9ff6e329c4c5ec0b77017ada514b6d"