mem-ruby: removes data ptr from RubyRequest

It's redundant since we keep the PacketPtr.

Change-Id: I421ffe8a25ad6a96454d84c0726715fd87a451e6
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/41113
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Matthew Poremba <matthew.poremba@amd.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
4 files changed