ci: Remove unneeded aws command entries

CI container imagesa re now hosted by GitHub Container Register. There is
nothing that needs to run `aws`.

fixes #1036

tox.ini

@@ -140,7 +140,6 @@ allowlist_externals =
     # Added: Tox 3.18: Tox 4.0+
     *_install.py
     *_tests.py
-    aws
     docker
     docker-credential-secretservice
     echo
@@ -150,7 +149,6 @@ whitelist_externals =
     # Deprecated: Tox 3.18+; Removed: Tox 4.0
     *_install.py
     *_tests.py
-    aws
     docker
     docker-credential-secretservice
     echo