[llvm-pdbdump] Very minor code cleanup.

This just removes some dead enums as well as some debug flushes
of stdout.

llvm-svn: 230204
diff --git a/llvm/unittests/DebugInfo/PDB/PDBApiTest.cpp b/llvm/unittests/DebugInfo/PDB/PDBApiTest.cpp
index 7cee8b9..629c5f8 100644
--- a/llvm/unittests/DebugInfo/PDB/PDBApiTest.cpp
+++ b/llvm/unittests/DebugInfo/PDB/PDBApiTest.cpp
@@ -90,7 +90,7 @@
   MockRawSymbol(PDB_SymType SymType)
       : Type(SymType) {}
 
-  void dump(raw_ostream &OS, int Indent, PDB_DumpLevel Level) const override {}
+  void dump(raw_ostream &OS, int Indent) const override {}
 
   std::unique_ptr<IPDBEnumSymbols>
   findChildren(PDB_SymType Type) const override {