[hatohol_server_edit_dialog] Remove a meaningless statement.

makeQueryData() makes an object for POST/PUT and returns it.
However, the line never uses the returned object and has
no effect.

Actually, the function is called in postAddServer() and used.
Merge pull request #234 from project-hatohol/fix-duplicated-call-of-makeQueryData2

[hatohol_server_edit_dialog] Remove a meaningless statement.