Simplify c++mode/class11 by removing some operators
Simplify c++mode/class11 by removing some operators

cook/yasnippet-snippets,ageekymonk/yasnippet-snippets,cook/yasnippet-snippets,cook/yasnippet-snippets,ageekymonk/yasnippet-snippets,ageekymonk/yasnippet-snippets