remove pid from logging
remove pid from logging

We are a single process application.  Adding the pid to every log message
just wastes space.  Having the thread name is far more useful.

jmcabandara/imagefactory,LalatenduMohanty/imagefactory,henrysher/imagefactory,LalatenduMohanty/imagefactory,redhat-imaging/imagefactory,redhat-imaging/imagefactory,jmcabandara/imagefactory,henrysher/imagefactory