Remove extra spaces

Command: `find . -maxdepth 1 -type f -print0 | xargs -0 sed -z -i "s/}\\n\\n\\n/}\\n\\n/"`

components/script/dom/element.rs

@@ -85,7 +85,6 @@ impl ElementDerived for EventTarget {
     }
 }
 
-
 #[deriving(PartialEq, Show)]
 #[jstraceable]
 pub enum ElementTypeId {