Revert "Rename all test files from JS -> ES6"

This reverts commit 2abe85b8344de1102c1589a9ac9421a8b296f2b5.

test/javascripts/components/load-more-test.js

@@ -1,27 +0,0 @@
-import { configureEyeline } from "discourse/lib/eyeline";
-import componentTest from "helpers/component-test";
-
-moduleForComponent("load-more", { integration: true });
-
-componentTest("updates once after initialization", {
-  template: `
-    {{#load-more selector=".numbers tr" action=loadMore}}
-      <table class="numbers"><tr></tr></table>
-    {{/load-more}}`,
-
-  beforeEach() {
-    this.set("loadMore", () => this.set("loadedMore", true));
-    configureEyeline({
-      skipUpdate: false,
-      rootElement: Discourse.rootElement
-    });
-  },
-
-  afterEach() {
-    configureEyeline();
-  },
-
-  test(assert) {
-    assert.ok(this.loadedMore);
-  }
-});