Remove demo shell protractor TreeView e2e (#9000)

* remove protractor TreeView e2e

* [ci:force] fix types

* [ci:force] remove unused method

demo-shell/src/app/components/tree-view/tree-view-sample.component.html

@@ -1,19 +0,0 @@
-<div>TREE VIEW TEST</div>
-<mat-form-field class="example-full-width">
-    <input matInput placeholder="Node Id"
-                [(ngModel)]="nodeIdSample"
-                (ngModelChange)="reset()">
-</mat-form-field>
-<span>
-    CLICKED NODE: {{clickedNodeName}}
-</span>
-
-<adf-tree-view-list *ngIf="!errorMessage; else errorOccurred"
-        [nodeId]="nodeIdSample"
-        (nodeClicked)="onClick($event)"
-        (error)="onErrorOccurred($event)">
-</adf-tree-view-list>
-<ng-template #errorOccurred>
-    <span>An Error Occurred </span>
-    <span>{{errorMessage}}</span>
-</ng-template>

demo-shell/src/app/components/tree-view/tree-view-sample.component.scss

@@ -1,3 +0,0 @@
-.example-full-width {
-    width: 100%;
-}

demo-shell/src/app/components/tree-view/tree-view-sample.component.ts

@@ -1,45 +0,0 @@
-/*!
- * @license
- * Copyright © 2005-2023 Hyland Software, Inc. and its affiliates. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { Component } from '@angular/core';
-
-@Component({
-    selector: 'app-tree-view',
-    templateUrl: './tree-view-sample.component.html',
-    styleUrls: ['./tree-view-sample.component.scss']
-})
-export class TreeViewSampleComponent {
-
-    clickedNodeName: string = '';
-    errorMessage: string = '';
-
-    nodeIdSample: string = '-my-';
-
-    onClick(node) {
-        this.clickedNodeName = node.entry.name;
-    }
-
-    reset() {
-        this.clickedNodeName = '';
-        this.errorMessage = '';
-    }
-
-    onErrorOccurred(error: string) {
-        this.clickedNodeName = '';
-        this.errorMessage = error;
-    }
-}