Inline @glimmer/env

@glimmer/env lived in the (retired) glimmer.js monorepo. It's only a stub. But we're still pointing at the published package, and should instead inline it here like the other things we took out of that repo.

Author: ef4

package.json

@@ -70,7 +70,6 @@
     "@embroider/addon-shim": "^1.9.0",
     "@glimmer/compiler": "0.94.9",
     "@glimmer/destroyable": "0.94.7",
-    "@glimmer/env": "^0.1.7",
     "@glimmer/global-context": "0.93.3",
     "@glimmer/interfaces": "0.94.6",
     "@glimmer/manager": "0.94.8",

packages/@glimmer/env/index.ts

@@ -0,0 +1,2 @@
+export const DEBUG = false;
+export const CI = false;

packages/@glimmer/env/package.json

@@ -0,0 +1,12 @@
+{
+  "name": "@glimmer/env",
+  "version": "0.1.7",
+  "description": "Glimmer application environment variables stub",
+  "repository": "https://github.com/emberjs/ember.js",
+  "license": "MIT",
+  "private": true,
+  "type": "module",
+  "exports": {
+    ".": "./index.ts"
+  }
+}

pnpm-lock.yaml

@@ -221,7 +221,6 @@ export function exposedDependencies() {
     router_js: require.resolve('router_js/dist/modules/index.js'),
     'route-recognizer': require.resolve('route-recognizer/dist/route-recognizer.es.js'),
     ...walkGlimmerDeps([
-      '@glimmer/env',
       '@glimmer/node',
       '@simple-dom/document',
       '@glimmer/manager',