Remove details of long-removed directories

These were removed a decade or two ago!
diff --git a/Source/README b/Source/README
index 814ec45..0889333 100644
--- a/Source/README
+++ b/Source/README
@@ -13,13 +13,3 @@
  Source/Modules      -  Language modules.
 
  Source/Include      -  Include files.
-
-Historic directories which may be in CVS, but have been removed:
-
- Source/Modules1.1   -  Old SWIG-1.1 modules. Empty.
-
- Source/LParse       -  Experimental parser.  Officially dead
-                        as CParse is more capable.
-
- Source/SWIG1.1      -  Old SWIG1.1 core. Completely empty now.
-