Using default toString().

core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/MutablePackageFragmentDescriptor.java

@@ -85,9 +85,4 @@ public class MutablePackageFragmentDescriptor extends DeclarationDescriptorImpl
     public NamespaceLikeBuilder getBuilder() {
         return builder;
     }
-
-    @Override
-    public String toString() {
-        return "fragment of " + fqName + " in " + module;
-    }
 }

core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/PackageViewDescriptorImpl.java

@@ -113,11 +113,6 @@ public class PackageViewDescriptorImpl extends DeclarationDescriptorImpl impleme
         return result;
     }
 
-    @Override
-    public String toString() {
-        return DescriptorRenderer.DEBUG_TEXT.render(this);
-    }
-
     private class SubpackagesScope extends JetScopeImpl {
         @NotNull
         @Override