build prod fix

src/frontend/app/administration/user/import/users-import.component.html

@@ -28,7 +28,6 @@
     <span class="divider-modal"></span>
     <div mat-dialog-actions class="actions">
         <button mat-raised-button mat-button color="primary" (click)="onSubmit()">Valider</button>
-        <button mat-raised-button mat-button [disabled]="loading"
-            [mat-dialog-close]="">{{'lang.cancel' | translate }}</button>
+        <button mat-raised-button mat-button [mat-dialog-close]="">{{'lang.cancel' | translate }}</button>
     </div>
 </div>
\ No newline at end of file