Update page titles in index.*.html and SEO service

frontend/src/app/services/seo.service.ts

@@ -27,8 +27,6 @@ export class SeoService {
   }
 
   getTitle(): string {
-    if (this.network === 'liquid')
-      return 'Liquid Explorer by mempool';
     return 'mempool - ' + (this.network ? this.ucfirst(this.network) : 'Bitcoin') + ' Explorer';
   }