convert to ngtools/webpack for aot compilation

src/app/vault/ciphers.component.ts

@@ -1,5 +1,3 @@
-import * as template from './ciphers.component.html';
-
 import { Component } from '@angular/core';
 
 import { CipherService } from 'jslib/abstractions/cipher.service';
@@ -8,7 +6,7 @@ import { CiphersComponent as BaseCiphersComponent } from 'jslib/angular/componen
 
 @Component({
     selector: 'app-vault-ciphers',
-    template: template,
+    templateUrl: 'ciphers.component.html',
 })
 export class CiphersComponent extends BaseCiphersComponent {
     constructor(cipherService: CipherService) {