Misc (#5545)

* normalize npmignores

* fixup eslint ignore, etc

* lint

* remove unused

* rm from gitignore

* use strict

packages/babel-runtime/scripts/build-dist.js

@@ -1,5 +1,6 @@
+"use strict";
+
 const outputFile = require("output-file-sync");
-const kebabCase = require("lodash/kebabCase");
 const coreDefinitions = require("babel-plugin-transform-runtime").definitions;
 const helpers = require("babel-helpers");
 const babel = require("../../babel-core");