bug#45408: i2pd: Update to 2.35.0

[宋文武]

Hello, I applied the patches and also update it to 2.35.6.


Leo Famulari <leo@famulari.name> writes:

> Thanks for the patches!
>
> Can you combine them into a single patch?
>
> The commit message didn't mention the removal of the 'install-headers'
> and 'remove-source' phases. Is their removal intentional? Are they not
> needed anymore?

I think they don't work anymore, unless we install all headers files (as
api.h will include other headers).  As upstream doesn't provide a
install target for headers, I'd leave them out.