minor change to banner

src/app/navbar/navbar.component.ts

@@ -1,5 +1,5 @@
 import { Component, DestroyRef, inject, computed, OnInit } from '@angular/core';
-import { CommonModule, SlicePipe, UpperCasePipe } from '@angular/common';
+import { CommonModule, UpperCasePipe } from '@angular/common';
 import { RouterLink, RouterLinkActive, Router } from '@angular/router';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 
@@ -9,7 +9,7 @@ import { StationConfigService } from '../services/station-config.service';
 @Component({
   selector: 'app-navbar',
   standalone: true,
-  imports: [CommonModule, RouterLink, RouterLinkActive, SlicePipe, UpperCasePipe],
+  imports: [CommonModule, UpperCasePipe, RouterLink, RouterLinkActive],
   templateUrl: './navbar.component.html',
   styleUrl: './navbar.component.scss',
 })