Remvove all sites from Google's FLoC.

How can I miss the opportunity to interfere with Google in any way?

snippets/common-headers.conf

@@ -3,3 +3,4 @@
 # add_header directive there should be an `include snippets/common-headers.conf`
 # directive as well.
 add_header      X-Frame-Options SAMEORIGIN always;
+add_header      Permissions-Policy interest-cohort=();