Removed num_pcie_ports merged upstream

Author: darmach

etc/kayobe/kolla/config/nova.conf

@@ -1,3 +1,2 @@
 [libvirt]
 hw_machine_type = q35
-num_pcie_ports = 16

releasenotes/notes/nova-machine-type-q35-ab363c5f7f3f9807.yaml

@@ -3,11 +3,3 @@ upgrade:
   - |
     Configure Nova to use more modern 'q35' libvirt machine type rather than
     'pc' which is considered legacy.
-  - |
-    Configure Nova libvirt.num_pcie_ports to 16 by default. Nova currently
-    sets 'num_pcie_ports' to "0" (defaults to libvirt's "1"), which is
-    not sufficient for hotplug use with 'q35' machine type.
-fixes:
-  - |
-    Fixes an issue where 'q35' libvirt machine type VM could not hotplug
-    more than one PCIe device at a time.