- This allows overriding these headers in individual pages easily instead of
relaxing global policy.
- Drop the obsolete CSP directive "block-all-mixed-content" and avoid a console
warning in Firefox.
Tests:
- Load a page and notice in the browser developer tools that the three headers
referrer-policy, content-security-policy, and x-content-type-options are set as
before.
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>