[PM-13876] Generator PR review follow up (#11885)

* Remove unused regex

* Remove viewChild reference from markup

---------

Co-authored-by: Daniel James Smith <djsmith85@users.noreply.github.com>

libs/tools/generator/components/src/credential-generator.component.html

@@ -39,14 +39,12 @@
   </div>
 </bit-card>
 <tools-password-settings
-  #passwordSettings
   class="tw-mt-6"
   *ngIf="(showAlgorithm$ | async)?.id === 'password'"
   [userId]="userId$ | async"
   (onUpdated)="generate('password settings')"
 />
 <tools-passphrase-settings
-  #passphraseSettings
   class="tw-mt-6"
   *ngIf="(showAlgorithm$ | async)?.id === 'passphrase'"
   [userId]="userId$ | async"
@@ -84,25 +82,21 @@
         </bit-form-field>
       </form>
       <tools-catchall-settings
-        #catchallSettings
         *ngIf="(showAlgorithm$ | async)?.id === 'catchall'"
         [userId]="userId$ | async"
         (onUpdated)="generate('catchall settings')"
       />
       <tools-forwarder-settings
-        #forwarderSettings
         *ngIf="!!(forwarderId$ | async)"
         [forwarder]="forwarderId$ | async"
         [userId]="this.userId$ | async"
       />
       <tools-subaddress-settings
-        #subaddressSettings
         *ngIf="(showAlgorithm$ | async)?.id === 'subaddress'"
         [userId]="userId$ | async"
         (onUpdated)="generate('subaddress settings')"
       />
       <tools-username-settings
-        #usernameSettings
         *ngIf="(showAlgorithm$ | async)?.id === 'username'"
         [userId]="userId$ | async"
         (onUpdated)="generate('username settings')"