LazUtils: move the more UTF8 file routines to LazFileUtils (and inline them in FileUtil):
FindFirstUTF8, FindNextUTF8, FindCloseUTF8, DeleteFileUTF8, RenameFileUTF8,
GetCurrentDirUTF8, SetCurrentDirUTF8, CreateDirUTF8, RemoveDirUTF8,
FilenameIsAbsolute, FilenameIsWinAbsolute and FilenameIsUnixAbsolute.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41348 4005530d-fff6-0310-9dd1-cebe43e6787f