feat!: v3 is now the default API surface (#355)

BREAKING CHANGE: this significantly changes TypeScript types and API surface from the v2 API. Reference samples/ for help making the migration from v2 to v3.

packages/google-cloud-translate/.bots/header-checker-lint.json

@@ -0,0 +1,3 @@
+{
+  "ignoreFiles": ["protos/*"]
+}

packages/google-cloud-translate/package.json

@@ -33,7 +33,7 @@
     "lint": "npm run check && eslint '**/*.js'",
     "samples-test": "cd samples/ && npm link ../ && npm test && cd ../",
     "system-test": "mocha build/system-test --timeout 600000",
-    "test": "nyc mocha build/test",
+    "test": "c8 mocha build/test",
     "check": "gts check",
     "clean": "gts clean",
     "compile": "tsc -p . && npm run copy-js",
@@ -62,6 +62,7 @@
     "@types/node": "^10.5.7",
     "@types/proxyquire": "^1.3.28",
     "@types/request": "^2.47.1",
+    "c8": "^6.0.0",
     "codecov": "^3.0.2",
     "eslint": "^6.0.0",
     "eslint-config-prettier": "^6.0.0",
@@ -73,7 +74,6 @@
     "jsdoc-fresh": "^1.0.1",
     "linkinator": "^1.5.0",
     "mocha": "^6.1.4",
-    "nyc": "^14.0.0",
     "power-assert": "^1.6.0",
     "prettier": "^1.13.5",
     "proxyquire": "^2.0.1",