glstate: Don't dump GL_DEBUG_CALLBACK_*.
glstate: Don't dump GL_DEBUG_CALLBACK_*.

These parameters are overwritten by glretrace, so dumping them is a
distraction.

schulmar/apitrace,tuanthng/apitrace,trtt/apitrace,tuanthng/apitrace,joshua5201/apitrace,swq0553/apitrace,EoD/apitrace,EoD/apitrace,schulmar/apitrace,apitrace/apitrace,joshua5201/apitrace,trtt/apitrace,swq0553/apitrace,surround-io/apitrace,schulmar/apitrace,apitrace/apitrace,surround-io/apitrace,swq0553/apitrace,tuanthng/apitrace,swq0553/apitrace,surround-io/apitrace,EoD/apitrace,surround-io/apitrace,apitrace/apitrace,joshua5201/apitrace,trtt/apitrace,joshua5201/apitrace,surround-io/apitrace,EoD/apitrace,schulmar/apitrace,tuanthng/apitrace,EoD/apitrace,schulmar/apitrace,trtt/apitrace,joshua5201/apitrace,swq0553/apitrace,trtt/apitrace,apitrace/apitrace,tuanthng/apitrace