Inline empty destructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80431 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Instrumentation/MaximumSpanningTree.cpp

@@ -102,9 +102,6 @@ MaximumSpanningTree::MaximumSpanningTree(Function *F, ProfileInfo *PI,
   std::stable_sort(MST.begin(),MST.end());
 }
 
-MaximumSpanningTree::~MaximumSpanningTree() {
-}
-
 MaximumSpanningTree::MaxSpanTree::iterator MaximumSpanningTree::begin() {
   return MST.begin();
 }