how to disable X-FRAM-OPTIONS

[grep Arvin]

as we konw it   is not allow to embed jira page in other outside web

and I try to edit  the  setion

```

<sec:headers>             

   <sec:frame-options disabled="true"/>            

</sec:headers> 

```   in the  /opt/bitbucket/app/WEB-INF/classes/security-context.xml

afther restart  It don't  , some as befor also 

     x-frame-options: SAMEORIGIN

so How can I do it ??

  bitbucket  --version: V7.8.0