Add several lints into unused lint group

Remove a couple of obsolete lints

src/test/ui-fulldeps/auxiliary/lint_group_plugin_test.rs

@@ -12,6 +12,7 @@
 
 #![feature(plugin_registrar)]
 #![feature(box_syntax, rustc_private)]
+#![feature(macro_vis_matcher)]
 
 // Load rustc as a plugin to get macros
 #[macro_use]

src/test/ui-fulldeps/auxiliary/lint_plugin_test.rs

@@ -12,6 +12,7 @@
 
 #![feature(plugin_registrar)]
 #![feature(box_syntax, rustc_private)]
+#![feature(macro_vis_matcher)]
 
 extern crate syntax;