Remove advanced mode from scenes editor (#25054)

src/panels/config/scene/ha-config-scene.ts

@@ -26,8 +26,6 @@ class HaConfigScene extends HassRouterPage {
 
   @property({ attribute: "is-wide", type: Boolean }) public isWide = false;
 
-  @property({ attribute: false }) public showAdvanced = false;
-
   @property({ attribute: false }) public scenes: SceneEntity[] = [];
 
   protected routerOptions: RouterOptions = {
@@ -62,7 +60,6 @@ class HaConfigScene extends HassRouterPage {
     pageEl.narrow = this.narrow;
     pageEl.isWide = this.isWide;
     pageEl.route = this.routeTail;
-    pageEl.showAdvanced = this.showAdvanced;
 
     if (this.hass) {
       if (!pageEl.scenes || !changedProps) {

src/panels/config/scene/ha-scene-editor.ts

@@ -98,8 +98,6 @@ export class HaSceneEditor extends PreventUnsavedMixin(
 
   @property({ attribute: false }) public scenes!: SceneEntity[];
 
-  @property({ attribute: false }) public showAdvanced = false;
-
   @state() private _dirty = false;
 
   @state() private _errors?: string;
@@ -486,8 +484,7 @@ export class HaSceneEditor extends PreventUnsavedMixin(
                 : nothing}
             </ha-config-section>
 
-            ${this.showAdvanced
-              ? html` <ha-config-section vertical .isWide=${this.isWide}>
+            <ha-config-section vertical .isWide=${this.isWide}>
               <div slot="header">
                 ${this.hass.localize(
                   "ui.panel.config.scene.editor.entities.header"
@@ -566,8 +563,7 @@ export class HaSceneEditor extends PreventUnsavedMixin(
                     </div>
                   </ha-card>`
                 : nothing}
-                </ha-config-section>`
-              : nothing}
+            </ha-config-section>
           `
         : nothing}
     </div>`;