WFLY-1672 Remove forgotten module directories created by tests.

WFLY issue : https://issues.jboss.org/browse/WFLY-1672

Three module related tests use method deleteRecursively() which does not delete module directories properly when module path is multi-layer, part of module directory remain in JBOSS_HOME/modules after test completion.

Example: JBOSS_HOME/modules/org/jboss/test is left behind instead of deleting whole org/jboss/test/weldModule