remove unused project files (#2583)

* remove unused project files

* restore package for shared testing lib

projects/adf-office-services-ext/ng-package.json

@@ -1,8 +0,0 @@
-{
-  "$schema": "../../node_modules/ng-packagr/ng-package.schema.json",
-  "dest": "../../dist/@alfresco/adf-office-services-ext",
-  "lib": {
-    "entryFile": "src/public-api.ts",
-    "flatModuleFile": "adf-office-services-ext"
-  }
-}

projects/adf-office-services-ext/ngi.json

@@ -1,20 +0,0 @@
-{
-  "assets": [
-    {
-      "glob": "**/*",
-      "input": "./assets",
-      "output": "./assets/adf-office-services-ext"
-    },
-    {
-      "glob": "aos.plugin.json",
-      "input": "./assets",
-      "output": "./assets/plugins"
-    }
-  ],
-  "modules": [
-    {
-      "name": "AosExtensionModule",
-      "namespace": "@alfresco/adf-office-services-ext"
-    }
-  ]
-}

projects/adf-office-services-ext/package.json

@@ -1,23 +0,0 @@
-{
-  "name": "@alfresco/adf-office-services-ext",
-  "version": "3.0.0",
-  "license": "Apache-2.0",
-  "homepage": "https://github.com/Alfresco/alfresco-content-app",
-  "keywords": [
-    "Alfresco",
-    "ADF",
-    "ACA",
-    "Content Application"
-  ],
-  "dependencies": {
-    "tslib": "^2.0.0"
-  },
-  "peerDependencies": {
-    "@angular/common": "^7.2.0",
-    "@angular/core": "^7.2.0",
-    "@ngrx/effects": "^7.2.0",
-    "@ngrx/store": "^7.2.0",
-    "@alfresco/adf-extensions": "^3.0.0",
-    "@alfresco/js-api": "^3.0.0"
-  }
-}