bthdef.h: Remove duplicated PnPInformationServiceClass_UUID definition (bug #355.)

git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@6363 4407c894-4637-0410-b4f5-ada5f102cad1
Fix warning reported by Ruben


git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@6365 4407c894-4637-0410-b4f5-ada5f102cad1