Clean up DSGraph::removeDeadNodes interface

llvm-svn: 4660
diff --git a/llvm/lib/Analysis/DataStructure/Steensgaard.cpp b/llvm/lib/Analysis/DataStructure/Steensgaard.cpp
index 5ee4dc4..6dc2bda 100644
--- a/llvm/lib/Analysis/DataStructure/Steensgaard.cpp
+++ b/llvm/lib/Analysis/DataStructure/Steensgaard.cpp
@@ -194,7 +194,7 @@
   ResultGraph->markIncompleteNodes(false);
 
   // Remove any nodes that are dead after all of the merging we have done...
-  ResultGraph->removeDeadNodes(true, true);
+  ResultGraph->removeDeadNodes(true);
 
   DEBUG(print(std::cerr, &M));
   return false;