[FEATURE ember-htmlbars-component-generation] Remove feature.

FEATURES.md

@@ -18,11 +18,6 @@ for a detailed explanation.
   serially and call `reset()` each time), as well as being critical to
   for FastBoot.
 
-* `ember-htmlbars-component-generation`
-
-  Enables HTMLBars compiler to interpret `<x-foo></x-foo>` as a component
-  invocation (instead of a standard HTML5 style element).
-
 * `ember-debug-handlers`
 
   Implements RFC https://github.com/emberjs/rfcs/pull/65, adding support for

features.json

@@ -1,7 +1,6 @@
 {
   "features": {
     "features-stripped-test": null,
-    "ember-htmlbars-component-generation": false,
     "ember-application-visit": true,
     "ember-routing-route-configured-query-params": null,
     "ember-libraries-isregistered": null,

packages/ember-htmlbars/lib/index.js

@@ -127,7 +127,6 @@ import htmlSafeHelper from 'ember-htmlbars/helpers/-html-safe';
 import hashHelper from 'ember-htmlbars/helpers/hash';
 import DOMHelper from 'ember-htmlbars/system/dom-helper';
 import Helper, { helper as makeHelper } from 'ember-htmlbars/helper';
-import GlimmerComponent from 'ember-htmlbars/glimmer-component';
 import {
   getTemplates,
   setTemplates
@@ -171,10 +170,6 @@ Ember.HTMLBars = {
   DOMHelper
 };
 
-if (isEnabled('ember-htmlbars-component-generation')) {
-  Ember.GlimmerComponent = GlimmerComponent;
-}
-
 Helper.helper = makeHelper;
 Ember.Helper = Helper;
 
@@ -193,4 +188,3 @@ Object.defineProperty(Ember, 'TEMPLATES', {
   get: getTemplates,
   set: setTemplates
 });
-