remove unused codes and update

src/app/shared/abstractClasses/abstract-is-mobile.ts

@@ -0,0 +1,34 @@
+import {
+  Component,
+  EventEmitter,
+  HostListener,
+  Input,
+  OnInit,
+  Output,
+  signal,
+} from '@angular/core';
+
+@Component({
+  selector: 'abstract-isMobile',
+  template: '',
+})
+export class AbstractIsMobileComponent implements OnInit {
+  @Input() mobileBreakpoint = 768;
+
+  @Output() onHide = new EventEmitter<any>();
+
+  isMobile = signal(false);
+
+  ngOnInit() {
+    this.updateViewportMode();
+  }
+
+  @HostListener('window:resize')
+  onResize() {
+    this.updateViewportMode();
+  }
+
+  private updateViewportMode() {
+    this.isMobile.set(typeof window !== 'undefined' && window.innerWidth <= this.mobileBreakpoint);
+  }
+}