It is impossible to delete the Apps shipped with iOS itself. It doesn’t mean your hands are tied! Check two tips to better organize your icons and quickly access any app you have – even when you can’t remember where you placed its icon.
Even if you don’t use “Apple Watch” app, Tips, Stocks or Newsstand, there is no way to remove them (without jailbreak*). But you can hide them easily creating a folder with all the Apple Apps you don’t use that often – and move the group icon to a new home-screen at the back of your iPhone.
And if you have too many apps in the iPhone or iPad, the “Spotlight Search” is a super useful and quick shortcut, by just typing the first letters of any app. Watch this super short tutorial and see how easy it is: