Bug 1367209 part 2 - Remove a useless constructor. r=jfkthame

MozReview-Commit-ID: 9GVI3kSJiuJ

layout/base/nsCounterManager.cpp

@@ -182,11 +182,6 @@ nsCounterList::RecalcAll()
   }
 }
 
-nsCounterManager::nsCounterManager()
-    : mNames()
-{
-}
-
 bool
 nsCounterManager::AddCounterResetsAndIncrements(nsIFrame* aFrame)
 {

layout/base/nsCounterManager.h

@@ -207,7 +207,6 @@ private:
  */
 class nsCounterManager {
 public:
-    nsCounterManager();
     // Returns true if dirty
     bool AddCounterResetsAndIncrements(nsIFrame *aFrame);