Remove old cdef class nogil constructor analysis

Cython/Compiler/ExprNodes.py

@@ -5508,18 +5508,6 @@ class CallNode(ExprNode):
             self.analyse_c_function_call(env)
             self.type = type
             return True
-        elif type and type.is_struct and type.nogil:
-            args, kwds = self.explicit_args_kwds()
-            items = []
-            for arg, member in zip(args, type.scope.var_entries):
-                items.append(DictItemNode(pos=arg.pos, key=StringNode(pos=arg.pos, value=member.name), value=arg))
-            if kwds:
-                items += kwds.key_value_pairs
-            self.key_value_pairs = items
-            self.__class__ = DictNode
-            self.analyse_types(env)    # FIXME
-            self.coerce_to(type, env)
-            return True
 
     def is_lvalue(self):
         return self.type.is_reference