[ACS-5761] Demo Shell Cleanup (part 2) (#8807)

cleanup demo shell

demo-shell/src/assets/app.extensions.json

@@ -1,9 +1,6 @@
 {
   "$schema": "../../../lib/extensions/src/lib/config/schema/app-extension.schema.json",
-  "$references": [
-    "plugin1.json",
-    "plugin2.json"
-  ],
+  "$references": [],
   "$dependencies": [],
 
   "features": {

demo-shell/src/assets/images/adf-move-file-24px.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="100%" height="100%" fill-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="1.414" clip-rule="evenodd" version="1.1" viewBox="0 0 24 24" xml:space="preserve"><g id="Artboard_1"><g id="Page_1"><rect id="Fill_1" width="24" height="24" x="0" y="0" fill="none"/><path id="Fill_2" fill-rule="nonzero" d="M20,20l-16,0c-1.097,0 -2,-0.903 -2,-2l0.01,-12c0,-1.093 0.897,-1.995 1.99,-2l6,0l2,2l8,0c1.097,0 2,0.903 2,2l0,10c0,1.097 -0.903,2 -2,2Zm-9,-9l0,4l4,0l0,2l4,-4l-4,-4l0,2l-4,0Z"/></g></g></svg>

demo-shell/src/assets/plugins/plugin1.json

@@ -1,14 +0,0 @@
-{
-  "$schema": "../../../lib/extensions/config/schema/plugin-extension.schema.json",
-  "$name": "plugin1",
-  "$version": "1.0.0",
-  "$vendor": "Alfresco",
-  "$license": "Apache-2.0",
-  "$runtime": "2.7.0",
-  "$description": "example plugin",
-  "features": {
-    "custom": {
-      "key": "value"
-    }
-  }
-}

demo-shell/src/assets/plugins/plugin2.json

@@ -1,14 +0,0 @@
-{
-  "$schema": "../../../lib/extensions/config/schema/plugin-extension.schema.json",
-  "$name": "plugin2",
-  "$version": "1.1.0",
-  "$vendor": "Alfresco",
-  "$license": "Apache-2.0",
-  "$runtime": "2.7.0",
-  "$description": "another example plugin",
-  "features": {
-    "extra": {
-      "key": "value"
-    }
-  }
-}