[Openid-specs-fapi] Issue #49: x-fapi-FinancialId (openid/fapi)

[Dave Tonge]

New issue 49: x-fapi-FinancialId
https://bitbucket.org/openid/fapi/issues/49/x-fapi-financialid

Dave Tonge:

https://bitbucket.org/openid/fapi/annotate/d4edc14c0b76155c97623edb521bfdc56afd64b7/Financial_API_WD_001.md?at=master&fileviewer=file-view-default#Financial_API_WD_001.md-272

I suggest that this is removed if it is not required. Shouldn't the `iss` be enough?