Remove arch-boxes stuff (fixes #107)

This is now built entirely in GitLab CI in the arch-boxes repo so this is no longer required.

Whoever merges this also needs to clean dragon. :)

added 2 commits

• 758e5ff7 - 1 commit from branch master
• 72209cc5 - Remove arch-boxes stuff (fixes #107 (closed))

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added 1 commit

• fa832a5b - Remove arch-boxes stuff (fixes #107 (closed))

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added 2 commits

• 758e5ff7 - 1 commit from branch master
• cb006d4d - Remove arch-boxes stuff (fixes #107 (closed))

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added 5 commits

• cb006d4d...b3b7dfd2 - 4 commits from branch master
• 314b9d7a - Remove arch-boxes stuff (fixes #107 (closed))

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@shibumi I believe you were involved with this as well? Could you take a look?

LGTM, did you disable/cleanup dragon as well? Would be nice to remove the virtualbox stuff there

approved this merge request

added 71 commits

• 314b9d7a...85814c03 - 70 commits from branch master
• a636f8a5 - Remove arch-boxes stuff (fixes #107 (closed))

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merged

mentioned in commit 90b5ce0f