Doc: sysconfig: remove outdated reference to wildcards in PCMK_trace_files
    
    Wildcards stopped working when the log filtering implementation changed in
    1.1.8 to support PCMK_trace_tags. It's not worth the effort to fix at this
    point, so just update the comment in the sysconfig file.
    
    patch_name: 005-sysconfig.patch
    present_in_specfile: true
    location_in_specfile: 5
    squash_commits: true