template <typename... RemoveItems>struct Remove
Defined at line 415 of file ../../zircon/kernel/phys/lib/boot-shim/include/lib/boot-shim/boot-shim.h
`Remove` will generate a `struct` with a `type` member whose type is `StandardBootShim`
instantiated with the the difference of `Items` and `ExtraItems`, that is all the items in
`Items` that are not preent in `RemoveItems`.
Every item in `ExtraItems` must be present in `Items`, that is, `ExtraItems` is a subset of
`Items`.