There is no built-in support for that...
The only option I know of is to change the menu from the
columnMenuInit
event of the grid...
Configuration, methods and events of Kendo UI Grid[
^]
UPDATE
While all I wrote is right - based on the official documentation, there is a - totally undocumented - feature, that I found while browsing the code...
When defining the column add "menu" attribute with value false...
columns: [
{ field: "name", "menu": false },
{ field: "age" },
],
(It seems that this option was added from the MVC wrapper, but never documented on the basic Kendo UI package, however seems to be safe to use as long as it exists in the wrapper)