Remove debugging names of ASDisplayNode and _ASDisplayLayer

- They are neither considered internally nor in tests. And when they are accidently considered, they cause tests to fail.
- Developers can easily set debugging names themselves whenever needed.

AsyncDisplayKit/ASDisplayNode.mm

@@ -460,9 +460,7 @@ static ASDisplayNodeMethodOverrides GetASDisplayNodeMethodOverrides(Class c)
     _layer = _view.layer;
   }
   _layer.asyncdisplaykit_node = self;
-#if DEBUG
-  _layer.name = self.description;
-#endif
+
   self.asyncLayer.asyncDelegate = self;
 
   {

AsyncDisplayKit/Details/_ASDisplayLayer.mm

@@ -36,11 +36,6 @@
     _displaySentinel = [[ASSentinel alloc] init];
 
     self.opaque = YES;
-
-#if DEBUG
-    // This is too expensive to do in production on all layers.
-    self.name = [NSString stringWithFormat:@"%@ (%p)", NSStringFromClass([self class]), self];
-#endif
   }
   return self;
 }