Revert "use the alternate maven settings by default"

This reverts commit @95fc5eec, because that commit was only helpful
before merging branch 'migrate-to-aspectj-dev' with PR #49, but was
actually committed afterwards, making it obsolete.

Signed-off-by: Alexander Kriegisch <Alexander@Kriegisch.name>

.mvn/maven-config

@@ -1 +0,0 @@
--s settings-read-github-packages.xml