Most create() methods are no longer necessary. This change deletes them, and occasionally moves some code from them into the constructors they call. Change-Id: Icbab29ba280144b892f9b12fac9e29a0839477e5 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/36536 Reviewed-by: Gabe Black <gabe.black@gmail.com> Maintainer: Gabe Black <gabe.black@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>