Dataflow: Replace MakeSets with QlBuiltins::InternSets.

python/ql/lib/semmle/python/dataflow/new/internal/DataFlowDispatch.qll

@@ -344,16 +344,6 @@ abstract class DataFlowCallable extends TDataFlowCallable {
 
   /** Gets the location of this dataflow callable. */
   abstract Location getLocation();
-
-  /** Gets a best-effort total ordering. */
-  int totalorder() {
-    this =
-      rank[result](DataFlowCallable c, string file, int startline, int startcolumn |
-        c.getLocation().hasLocationInfo(file, startline, startcolumn, _, _)
-      |
-        c order by file, startline, startcolumn
-      )
-  }
 }
 
 /** A callable function. */
@@ -1435,16 +1425,6 @@ abstract class DataFlowCall extends TDataFlowCall {
   ) {
     this.getLocation().hasLocationInfo(filepath, startline, startcolumn, endline, endcolumn)
   }
-
-  /** Gets a best-effort total ordering. */
-  int totalorder() {
-    this =
-      rank[result](DataFlowCall c, int startline, int startcolumn |
-        c.hasLocationInfo(_, startline, startcolumn, _, _)
-      |
-        c order by startline, startcolumn
-      )
-  }
 }
 
 /** A call found in the program source (as opposed to a synthesised call). */

python/ql/lib/semmle/python/dataflow/new/internal/DataFlowPrivate.qll

@@ -1025,8 +1025,6 @@ class NodeRegion instanceof Unit {
   string toString() { result = "NodeRegion" }
 
   predicate contains(Node n) { none() }
-
-  int totalOrder() { result = 1 }
 }
 
 //--------