No more RGI flag sequences

[Michael Everson]

The clean answer is “use the de-facto Ulster Banner glyph until such time as an ‘official’ flag is adopted”. Instead we have one of the constituent parts of the UK treated differently from the others, which is not very satisfactory. 

> On 7 Feb 2021, at 22:53, Mark Davis ☕️ via Unicode <unicode at unicode.org> wrote:
> 
> There is no clean yes or no answer, much as there is no clean answer for Northern Ireland.