Remove the GL_KTX_buffer_region entry points with EXT suffix.
Remove the GL_KTX_buffer_region entry points with EXT suffix.

It was a glew bug, fixed in 1.7.0.

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