removing CombinatoricaOld`

Author: mmatera

mathics/builtin/scoping.py

@@ -75,7 +75,7 @@ class With(Builtin):
     Use 'With' to insert values into held expressions
     >> With[{x=y}, Hold[x]]
      = Hold[y]
-    
+
     >> Table[With[{i=j}, Hold[i]],{j,1,4}]
      = {Hold[1], Hold[2], Hold[3], Hold[4]}
     >> x=5; With[{x=x}, Hold[x]]
@@ -465,7 +465,6 @@ class Contexts(Builtin):
     ## this assignment makes sure that a definition in Global` exists
     >> x = 5;
     X> Contexts[] // InputForm
-
     """
 
     def apply(self, evaluation):

mathics/builtin/system.py

@@ -230,13 +230,13 @@ class Packages(Predefined):
     </dl>
 
     X> $Packages
-    = {CombinatoricaOld`,ImportExport`,XML`,Internal`,System`,Global`}
+    = {ImportExport`,XML`,Internal`,System`,Global`}
     #> MemberQ[$Packages, "System`"]
     = True
     """
 
     name = "$Packages"
-    rules = {'$Packages': '{"CombinatoricaOld`", "ImportExport`",  "XML`","Internal`", "System`", "Global`"}',}
+    rules = {'$Packages': '{"ImportExport`",  "XML`","Internal`", "System`", "Global`"}',}
 
 
 class ParentProcessID(Predefined):