remove copy of Ranged-sets

Author: nicuveo

NOTE.txt

@@ -111,6 +111,7 @@ executable alex
     , array
     , containers
     , directory
+    , Ranged-sets >= 0.5.0 && < 1
 
   default-language:
     Haskell2010
@@ -142,10 +143,6 @@ executable alex
     Scan
     Util
     UTF8
-    Data.Ranged
-    Data.Ranged.Boundaries
-    Data.Ranged.RangedSet
-    Data.Ranged.Ranges
 
 test-suite tests
   type: exitcode-stdio-1.0