Consolidate OpenJDK 8u aarch32 repos into one

[Sergey Nazarkin]

Git readonly mirror was setup at GitHub

https://github.com/openjdk/aarch32-port-jdk8u


> On Dec 12, 2021, at 22:41, Sergey Nazarkin <snazarkin at azul.com> wrote:
> 
> Hi!
> 
> Following jdk8u move to Git+Skara, aarch32 project starts transition of the repositories from Mercurial to git. Progress can be tracked on https://bugs.openjdk.java.net/browse/SKARA-1277.
> 
> First step, Mercurial monorepo, is complete, the forest is not maintained anymore. Upcoming 8u232 will be released from mono repository (http://hg.openjdk.java.net/aarch32-port/monojdk8u).
> 
> The plan is to move aarch32 development  to Git+Skara at the end of February next year.
> 
> /Sergey