RFR: 8314730: GHA: Drop libfreetype6-dev transitional package in favor of libfreetype-dev

[Aleksey Shipilev]

On Tue, 22 Aug 2023 06:49:21 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Current GHA bootstraps fail for some arches with the incompatibility between libfreetype-dev and libfreetype6-dev. Current RISC-V GHA bootstrap fails due to this conflict.
> 
> In both sid, bullseye, jammy, libfreetype6-dev is a transitional package, the alias to libfreetype-dev:
>   https://packages.debian.org/bullseye/libfreetype6-dev
>   https://packages.debian.org/sid/libfreetype6-dev
>   https://packages.ubuntu.com/jammy/libfreetype6-dev
> 
> There is therefore no reason to ask for libfreetype6-dev instead of libfreetype-dev. 
> 
> Additional testing:
>  - [x] GHA

Integrating to unbreak GHA.

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PR Comment: https://git.openjdk.org/jdk/pull/15378#issuecomment-1688205974