You can remove any app you installed on your iPhone, follow the simple steps below

• Touch an app for a few seconds until the icons gets all jiggy with a little X on the left hand corner.
• Find the app you want to delete and tap the X.
• Confirm by pressing the Delete button.
• You will then be asked to rate the application by giving it up to five stars or you can just skip it by pressing No Thanks.
• When youre done deleting apps you can return the screen back to normal by pressing the Home button.