Remove redundant StatusLogger constants.


git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596330 13f79535-47bb-0310-9956-ffa450edef68
Remove unused imports.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596331 13f79535-47bb-0310-9956-ffa450edef68
Remove redundant superinterface LifeCycle.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596336 13f79535-47bb-0310-9956-ffa450edef68
Remove redundant superinterface LifeCycle. Forgot to remove now unused import.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596337 13f79535-47bb-0310-9956-ffa450edef68