Remove some unsized tuple impls now that we don't support unsizing tuples anymore #138340
+4
−28
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Since #137728 there is no sound way to create unsized tuples anymore. While we can't remove them from the language (tried here: #138093) due to people using
PhantomData<(T, U)>
whereU: ?Sized
(they'd have to use(PhantomData<T>, PhantomData<U>)
now), we can remove the impls from libcore I believe.r? ghost