Revert "[BUGFIX lts] Ensures that computed can depend on dynamic hash…

… keys"

This reverts commit 646769e.

package.json

@@ -51,7 +51,7 @@
     "@babel/plugin-transform-block-scoping": "^7.8.3",
     "@babel/plugin-transform-object-assign": "^7.8.3",
     "@ember/edition-utils": "^1.2.0",
-    "@glimmer/vm-babel-plugins": "0.79.3",
+    "@glimmer/vm-babel-plugins": "0.79.2",
     "babel-plugin-debug-macros": "^0.3.3",
     "babel-plugin-filter-imports": "^4.0.0",
     "broccoli-concat": "^4.2.4",
@@ -76,19 +76,19 @@
   },
   "devDependencies": {
     "@babel/preset-env": "^7.9.5",
-    "@glimmer/compiler": "0.79.3",
-    "@glimmer/destroyable": "0.79.3",
+    "@glimmer/compiler": "0.79.2",
+    "@glimmer/destroyable": "0.79.2",
     "@glimmer/env": "^0.1.7",
-    "@glimmer/global-context": "0.79.3",
-    "@glimmer/interfaces": "0.79.3",
-    "@glimmer/manager": "0.79.3",
-    "@glimmer/node": "0.79.3",
-    "@glimmer/opcode-compiler": "0.79.3",
-    "@glimmer/owner": "0.79.3",
-    "@glimmer/program": "0.79.3",
-    "@glimmer/reference": "0.79.3",
-    "@glimmer/runtime": "0.79.3",
-    "@glimmer/validator": "0.79.3",
+    "@glimmer/global-context": "0.79.2",
+    "@glimmer/interfaces": "0.79.2",
+    "@glimmer/manager": "0.79.2",
+    "@glimmer/node": "0.79.2",
+    "@glimmer/opcode-compiler": "0.79.2",
+    "@glimmer/owner": "0.79.2",
+    "@glimmer/program": "0.79.2",
+    "@glimmer/reference": "0.79.2",
+    "@glimmer/runtime": "0.79.2",
+    "@glimmer/validator": "0.79.2",
     "@simple-dom/document": "^1.4.0",
     "@types/qunit": "^2.9.1",
     "@types/rsvp": "^4.0.3",

packages/@ember/-internals/glimmer/tests/integration/helpers/hash-test.js

@@ -219,60 +219,6 @@ moduleFor(
       this.assertText('Godfrey Chan');
     }
 
-    ['@test works with computeds on non-defined properties']() {
-      let instance;
-
-      let FooBarComponent = Component.extend({
-        init() {
-          this._super(...arguments);
-
-          if (HAS_NATIVE_PROXY) {
-            expectDeprecation(() => {
-              set(this.hash, 'lastName', 'Hietala');
-            }, /You set the '.*' property on a {{hash}} object/);
-          } else {
-            set(this.hash, 'lastName', 'Hietala');
-          }
-
-          instance = this;
-        },
-
-        fullName: computed('hash.firstName', 'hash.lastName', function () {
-          return `${this.hash.firstName} ${this.hash.lastName}`;
-        }),
-      });
-
-      this.registerComponent('foo-bar', {
-        ComponentClass: FooBarComponent,
-        template: `{{this.fullName}}`,
-      });
-
-      this.render(`{{foo-bar hash=(hash firstName=this.firstName)}}`, {
-        firstName: 'Chad',
-        lastName: 'Hietala',
-      });
-
-      this.assertText('Chad Hietala');
-
-      runTask(() => this.rerender());
-
-      this.assertText('Chad Hietala');
-
-      runTask(() => {
-        set(this.context, 'firstName', 'Godfrey');
-
-        if (HAS_NATIVE_PROXY) {
-          expectDeprecation(() => {
-            set(instance.hash, 'lastName', 'Chan');
-          }, /You set the '.*' property on a {{hash}} object/);
-        } else {
-          set(instance.hash, 'lastName', 'Chan');
-        }
-      });
-
-      this.assertText('Godfrey Chan');
-    }
-
     ['@test works when properties are set dynamically']() {
       let fooBarInstance;
       let FooBarComponent = Component.extend({