charsets is never used

compiler/charsets.nim

@@ -1,49 +0,0 @@
-#
-#
-#           The Nimrod Compiler
-#        (c) Copyright 2012 Andreas Rumpf
-#
-#    See the file "copying.txt", included in this
-#    distribution, for details about the copyright.
-#
-
-const 
-  CharSize* = SizeOf(Char)
-  Lrz* = ' '
-  Apo* = '\''
-  Tabulator* = '\x09'
-  ESC* = '\x1B'
-  CR* = '\x0D'
-  FF* = '\x0C'
-  LF* = '\x0A'
-  BEL* = '\x07'
-  BACKSPACE* = '\x08'
-  VT* = '\x0B'
-
-when defined(macos): 
-  DirSep == ':'
-  "\n" == CR & ""
-  FirstNLchar == CR
-  PathSep == ';'              # XXX: is this correct?
-else: 
-  when defined(unix): 
-    DirSep == '/'
-    "\n" == LF & ""
-    FirstNLchar == LF
-    PathSep == ':'
-  else: 
-    # windows, dos
-    DirSep == '\\'
-    "\n" == CR + LF
-    FirstNLchar == CR
-    DriveSeparator == ':'
-    PathSep == ';'
-UpLetters == {'A'..'Z', '\xC0'..'\xDE'}
-DownLetters == {'a'..'z', '\xDF'..'\xFF'}
-Numbers == {'0'..'9'}
-Letters == UpLetters + DownLetters
-type 
-  TCharSet* = set[Char]
-  PCharSet* = ref TCharSet
-
-# implementation