Remove explicit delete of PathDiagnosticMacroPiece, as it is now reference counted.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150110 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Core/BugReporter.cpp b/lib/StaticAnalyzer/Core/BugReporter.cpp
index 9399acf..642b6e3 100644
--- a/lib/StaticAnalyzer/Core/BugReporter.cpp
+++ b/lib/StaticAnalyzer/Core/BugReporter.cpp
@@ -1631,12 +1631,9 @@
   PD.path.clear();
 
   for (PiecesTy::iterator I=Pieces.begin(), E=Pieces.end(); I!=E; ++I) {
-    if (PathDiagnosticMacroPiece *MP=dyn_cast<PathDiagnosticMacroPiece>(*I))
-      if (!MP->containsEvent()) {
-        delete MP;
+    if (PathDiagnosticMacroPiece *MP = dyn_cast<PathDiagnosticMacroPiece>(*I))
+      if (!MP->containsEvent())
         continue;
-      }
-
     PD.path.push_back(*I);
   }
 }