* Remove old docs pertaining to logging-logback and logging-log4j* modules
* Remove obsolete logging examples
* Remove centralized-webapp-logging example, because this module no longer exists
* Remove discussion of Logback + Jetty exmaple projects, as these no longer exist
* Remove example of capturing multiple logging frameworks, as the example module file is no longer available to users
* Remove discussion of default logging behavior and console-capture module, which is already covered in the Operations guide
* fix placeholder document header so I can compile
* remove old docs about logging with SLF4J and capturing console output, as this information has already been migrated to the operations guide
* delete remainder of old logging module docs, as these are obsolete and/or adequately captured in the current operations guide
* Remove old logging section altogether, as all the non-obsolete content appears to have already been migrated
* Remove maven section from old docs, since this content has already been ported to the Operations Guide
* Remove maven section from toc
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