Bug 1160064 - Explicitly initialize logging at the right time. r=jww

The patches in this bug can cause us to log things before some of the Ensure*Log
macros are called. Let's just do this right.

dom/html/HTMLMediaElement.cpp

@@ -2099,7 +2099,6 @@ HTMLMediaElement::HTMLMediaElement(already_AddRefed<mozilla::dom::NodeInfo>& aNo
   if (!gMediaElementEventsLog) {
     gMediaElementEventsLog = PR_NewLogModule("nsMediaElementEvents");
   }
-  EnsureStateWatchingLog();
 #endif
 
   mAudioChannel = AudioChannelService::GetDefaultAudioChannel();