Remove accidentally checked in debugging code in Unix wxDir.

Undo the accidental change in c6c19dc580.

Closes #17052.

src/unix/dir.cpp

@@ -100,9 +100,6 @@ wxDirData::wxDirData(const wxString& dirname)
 
     // do open the dir
     m_dir = opendir(m_dirname.fn_str());
-
-    wxLogSysError(12, _("Cannot enumerate files in directory '%s'"),
-                  m_dirname.c_str());
 }
 
 wxDirData::~wxDirData()