Removes some JsExport  namespace logic that I cannot make sense of.

Change-Id: I14720b16390de4a6d77d037892e2e499bddef7ca
diff --git a/dev/core/src/com/google/gwt/dev/javac/JsInteropUtil.java b/dev/core/src/com/google/gwt/dev/javac/JsInteropUtil.java
index 03eb55b..24ca8d2 100644
--- a/dev/core/src/com/google/gwt/dev/javac/JsInteropUtil.java
+++ b/dev/core/src/com/google/gwt/dev/javac/JsInteropUtil.java
@@ -123,10 +123,6 @@
       AnnotationBinding jsNamespace = JdtUtil.getAnnotation(x.binding, JSNAMESPACE_CLASS);
       if (jsNamespace != null) {
         type.setJsNamespace(JdtUtil.getAnnotationParameterString(jsNamespace, "value"));
-      } else {
-        if (type.getSuperClass() != null && x.enclosingType != null) {
-          maybeSetJsNamespace(type.getSuperClass(), x.enclosingType);
-        }
       }
     }
   }