Remove old glimmer-vm code, keeping the docs

Cleanup repo configuration, restore types pcakage, which use used by setup-harness.ts

Author: NullVoxPopuli

.prettierignore

@@ -12,6 +12,5 @@ packages/@handlebars/**/*.yy
 CHANGELOG.md
 package.json
 pnpm-lock.yaml
-glimmer-vm/**/*.md
-glimmer-vm/**/*.yaml
+internal-docs/**/*.md
 tracerbench-testing/

eslint.config.mjs

@@ -25,13 +25,7 @@ export default [
       '**/smoke-tests/',
       '**/types/',
       '**/type-tests/',
-      'glimmer-vm/repo-metadata/',
-      'glimmer-vm/**/rollup.config.mjs',
-      'glimmer-vm/packages/@glimmer/vm-babel-plugins/',
-      'glimmer-vm/bin/**',
-      'glimmer-vm/guides/**',
-      'glimmer-vm/benchmark/**',
-      'glimmer-vm/*.{js,ts}',
+      'internal-docs/guides/**',
       'packages/@glimmer-workspace/**',
       'packages/@handlebars/parser/lib/parser.js',
       'packages/@handlebars/parser/src/**',
@@ -141,17 +135,6 @@ export default [
       '@typescript-eslint/no-unsafe-declaration-merging': 'off',
     },
   },
-  {
-    files: ['glimmer-vm/**/*.ts'],
-    languageOptions: {
-      ecmaVersion: 5,
-      sourceType: 'module',
-      parserOptions: {
-        project: './tsconfig-vm.json',
-        tsconfigRootDir: __dirname,
-      },
-    },
-  },
   {
     // TODO: files: ['packages/**/*.[jt]s'],
     files: ['packages/**/*.js'],
@@ -258,7 +241,6 @@ export default [
       'broccoli/**/*.js',
       '**/ember-cli-build.js',
       '**/*.cjs',
-      'glimmer-vm/server/**/*.js',
     ],
   },
   {