chore(nodejs): remove api-extractor dependencies (#548)

Author: fhinkel

packages/google-cloud-monitoring/package.json

@@ -40,9 +40,7 @@
     "compile": "tsc -p . && cp -r protos build/",
     "compile-protos": "compileProtos src",
     "prepare": "npm run compile",
-    "precompile": "gts clean",
-    "api-extractor": "api-extractor run --local",
-    "api-documenter": "api-documenter yaml --input-folder=temp"
+    "precompile": "gts clean"
   },
   "dependencies": {
     "google-gax": "^2.12.0"
@@ -65,8 +63,6 @@
     "ts-loader": "^9.0.0",
     "typescript": "^3.8.3",
     "webpack": "^5.0.0",
-    "webpack-cli": "^4.0.0",
-    "@microsoft/api-documenter": "^7.8.10",
-    "@microsoft/api-extractor": "^7.8.10"
+    "webpack-cli": "^4.0.0"
   }
 }