This tutorial explains you how you can easily remove WordPress page title wherever needed. Toggle The Title is aWordPress plugin that removes instead of hiding WordPress page titles per page. But remember the plugin is only intended for pages not for posts and other custom post types.
All you need to do is install and activate Toggle The Title plugin. Now you can disable page titles using Show pagetitle checkbox while creating or editing your Website pages. You can also set the option from Dashboard -> Settings -> Title Toggle to auto save your pages whenever you change their title status.