Usually if you delete a home screen, you will have to create it again by adding the icons and widgets that were there before.
If you use a 3rdparty launcher and backed up its data, then a backup can be restored, but if not then it will be the same case, the icons need to be added back manually.
Answers
Usually if you delete a home screen, you will have to create it again by adding the icons and widgets that were there before.
If you use a 3rdparty launcher and backed up its data, then a backup can be restored, but if not then it will be the same case, the icons need to be added back manually.