Fix docs and regenerate scaffolding. (#7)

Author: jmdobry

dlp/package.json

@@ -7,10 +7,10 @@
   "author": "Google Inc.",
   "repository": "googleapis/nodejs-dlp",
   "engines": {
-    "node": ">=4.3.2"
+    "node": ">=4.0.0"
   },
   "scripts": {
-    "test": "samples test run --cmd ava -- -T 1m --verbose system-test/*.test.js"
+    "test": "repo-tools test run --cmd ava -- -T 1m --verbose system-test/*.test.js"
   },
   "dependencies": {
     "@google-cloud/bigquery": "^0.10.0",