Remove circular dependency (#10405)

* Remove circular dependency

* Move @babel/runtime test to @babel/runtime

packages/babel-core/package.json

@@ -49,7 +49,6 @@
     "source-map": "^0.5.0"
   },
   "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "^7.6.0",
-    "@babel/register": "^7.6.0"
+    "@babel/helper-transform-fixture-test-runner": "^7.6.0"
   }
 }

packages/babel-core/test/browserify.js

@@ -1,20 +0,0 @@
-import browserify from "browserify";
-import path from "path";
-import vm from "vm";
-
-describe("browserify", function() {
-  it("@babel/register may be used without breaking browserify", function(done) {
-    const bundler = browserify(
-      path.join(__dirname, "fixtures/browserify/register.js"),
-    );
-
-    bundler.bundle(function(err, bundle) {
-      if (err) return done(err);
-      expect(bundle.length).toBeTruthy();
-
-      // ensure that the code runs without throwing an exception
-      vm.runInNewContext("var global = this;\n" + bundle, {});
-      done();
-    });
-  });
-});

packages/babel-core/test/fixtures/browserify/register.js

@@ -1,3 +0,0 @@
-require("@babel/register").default({
-  ignore: false
-});