Deleting an App in iPhone is very simple and easy. Its a lot easier than installing.
Using iPhone
TO delete an app you just need to Keep press holding that app icon in the dashboard as shown below untill all the icons start dancing. Just press the black X button on the left corner of the icon to delete that app from the iphone
Using Itunes
Also you can delete the app from Itunes by connecting the iphone to iTunes and deleting the app from the app tab in the iphone.
tags: how to remove app from iphone, uninstall app from iphone, delete app from iphone