refactor: drop repo-tool as an exec wrapper (#224)

Author: JustinBeckwith

handwritten/firestore/.circleci/config.yml

@@ -78,7 +78,6 @@ jobs:
           command: |-
             mkdir -p /home/node/.npm-global
             npm install
-            chmod +x node_modules/@google-cloud/nodejs-repo-tools/bin/tools
           environment:
             NPM_CONFIG_PREFIX: /home/node/.npm-global
       - run:

handwritten/firestore/package.json

@@ -40,15 +40,15 @@
   ],
   "scripts": {
     "cover": "nyc --reporter=lcov mocha --require intelli-espower-loader test/*.js && nyc report",
-    "docs": "repo-tools exec -- jsdoc -c .jsdoc.js",
+    "docs": "jsdoc -c .jsdoc.js",
     "generate-scaffolding": "repo-tools generate all",
-    "lint": "repo-tools lint --cmd eslint -- src/ system-test/ test/ conformance/",
-    "prettier": "repo-tools exec -- prettier --write src/*.js src/**/*.js test/*.js test/**/*.js system-test/*.js system-test/**/*.js conformance/*.js conformance/**/*.js",
+    "lint": "eslint src/ system-test/ test/ conformance/",
+    "prettier": "prettier --write src/*.js src/**/*.js test/*.js test/**/*.js system-test/*.js system-test/**/*.js conformance/*.js conformance/**/*.js",
     "publish-module": "node ../../scripts/publish.js firestore",
-    "system-test": "repo-tools test run --cmd mocha -- system-test/*.js --timeout 600000",
-    "conformance": "repo-tools test run --cmd mocha -- conformance/*.js --no-timeouts",
-    "test-no-cover": "repo-tools test run --cmd mocha -- test/*.js --no-timeouts",
-    "test": "repo-tools test run --cmd npm -- run cover"
+    "system-test": "mocha system-test/*.js --timeout 600000",
+    "conformance": "mocha conformance/*.js --no-timeouts",
+    "test-no-cover": "mocha test/*.js --no-timeouts",
+    "test": "npm run cover"
   },
   "dependencies": {
     "@google-cloud/common": "^0.20.0",