fix(aria/toolbar): remove unnnecessary validation methods

Author: adolgachev

src/aria/private/toolbar/toolbar.ts

@@ -198,10 +198,4 @@ export class ToolbarPattern<V> {
       this.inputs.activeItem.set(firstItem);
     }
   }
-
-  /** Validates the state of the toolbar and returns a list of accessibility violations. */
-  validate(): string[] {
-    const violations: string[] = [];
-    return violations;
-  }
 }

src/aria/toolbar/toolbar.ts

@@ -109,15 +109,6 @@ export class Toolbar<V> {
   private _hasBeenFocused = signal(false);
 
   constructor() {
-    afterRenderEffect(() => {
-      if (typeof ngDevMode === 'undefined' || ngDevMode) {
-        const violations = this._pattern.validate();
-        for (const violation of violations) {
-          console.error(violation);
-        }
-      }
-    });
-
     afterRenderEffect(() => {
       if (!this._hasBeenFocused()) {
         this._pattern.setDefaultState();