chore(nodejs): remove api-extractor dependencies (#574)

Author: fhinkel

packages/google-cloud-compute/package.json

@@ -35,9 +35,7 @@
     "predocs-test": "npm run docs",
     "prelint": "cd samples; npm link ../; npm install",
     "clean": "gts clean",
-    "precompile": "gts clean",
-    "api-extractor": "api-extractor run --local",
-    "api-documenter": "api-documenter yaml --input-folder=temp"
+    "precompile": "gts clean"
   },
   "dependencies": {
     "@google-cloud/common": "^3.0.0",
@@ -52,8 +50,6 @@
     "string-format-obj": "^1.1.1"
   },
   "devDependencies": {
-    "@microsoft/api-documenter": "^7.8.10",
-    "@microsoft/api-extractor": "^7.8.10",
     "c8": "^7.0.0",
     "codecov": "^3.0.2",
     "concat-stream": "^2.0.0",