mem: Eliminate the now unused GENERIC_IPR request flag.

Jira Issue: https://gem5.atlassian.net/browse/GEM5-187

Change-Id: Id3aaffa4fa88032fd209c5c3b6f67283a6af1c48
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23187
Tested-by: kokoro <noreply+kokoro@google.com>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Muhammad Sarmad Saeed <mssaeed@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
1 file changed