library:archlinux: remove old,stray tarball

The history for this tag contained a stray tarball from previous builds.
Rebase the history on the archlinux-docker repository and update the
consequent tag.

library/archlinux

@@ -8,5 +8,5 @@ GitRepo: https://github.com/archlinux/archlinux-docker.git
 
 
 Tags: latest, 20191006
-GitCommit: 671e950b6f879a346fffa2f9fbaaba8ace07efae
+GitCommit: ed18f615efd16f3a39b2c3eeed79a1f0c6a1dfca
 GitFetch: refs/tags/20191006