[Openid-specs-ab] Issue #2119: [Federation] Fix metadata_policy example in figure 17 (openid/connect)

[Vladimir Dzhuvinov]

New issue 2119: [Federation] Fix metadata_policy example in figure 17
https://bitbucket.org/openid/connect/issues/2119/federation-fix-metadata_policy-example-in

Vladimir Dzhuvinov:

The example contains a `metadata` claim that shouldn’t be included:

[https://openid.bitbucket.io/connect/openid-federation-1\_0.html#figure-17](https://openid.bitbucket.io/connect/openid-federation-1_0.html#figure-17)