Cleaned up deopt reason messages a bit.

src/code-stubs-hydrogen.cc

Index: src/code-stubs-hydrogen.cc
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
index 131fe31c87729bc69f5bda0077cd183a5b1d41bf..23d4269c849fa6cbd517b6f1d64deccb582fd570 100644
--- a/src/code-stubs-hydrogen.cc
+++ b/src/code-stubs-hydrogen.cc
@@ -888,8 +888,7 @@ HValue* CodeStubGraphBuilder<ElementsTransitionAndStoreStub>::BuildCodeStub() {
 
   if (FLAG_trace_elements_transitions) {
     // Tracing elements transitions is the job of the runtime.
-    Add<HDeoptimize>("Deopt due to --trace-elements-transitions",
-                     Deoptimizer::EAGER);
+    Add<HDeoptimize>("Tracing elements transitions", Deoptimizer::EAGER);
   } else {
     info()->MarkAsSavesCallerDoubles();