Bump hacking
hacking 3.0.x is too old. Bump it to the version currently used in
tempest repo.
Also remove the note about old pip's behavior because recent pip does
not require specific order.
Depends-on: https://review.opendev.org/c/openstack/tempest/+/906634
Change-Id: I9a7760dcbcba15213deaa03e3c2a5f42446905d1
diff --git a/test-requirements.txt b/test-requirements.txt
index 9c7d865..3d2e1c5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,5 +1 @@
-# The order of packages is significant, because pip processes them in the order
-# of appearance. Changing the order has an impact on the overall integration
-# process, which may cause wedges in the gate later.
-
-hacking>=3.0,<3.1.0;python_version>='3.5' # Apache-2.0
+hacking>=6.1.0,<6.2.0 # Apache-2.0