Revert "Add disable-nouveau element to tripleo images"

This reverts commit 7c39645573.

Without a promoted DIB package, this causes OVB jobs to fail.

Change-Id: I8bacdf2811bfbe95010360cf4e99879ae1f313b2
Closes-Bug: #1784015

image-yaml/overcloud-hardened-images-uefi.yaml

@@ -21,10 +21,9 @@ disk_images:
       - dracut-regenerate
       - remove-machine-id
       - remove-resolvconf
-      - modprobe
+      - modprobe-blacklist
       - overcloud-secure-uefi
       - openssh
-      - disable-nouveau
     packages:
       - ntp
       - python-psutil

image-yaml/overcloud-hardened-images.yaml

@@ -21,10 +21,9 @@ disk_images:
       - dracut-regenerate
       - remove-machine-id
       - remove-resolvconf
-      - modprobe
+      - modprobe-blacklist
       - overcloud-secure
       - openssh
-      - disable-nouveau
     packages:
       - ntp
       - python-psutil

image-yaml/overcloud-images.yaml

@@ -23,7 +23,6 @@ disk_images:
       - remove-machine-id
       - remove-resolvconf
       - openssh
-      - disable-nouveau
     packages:
       - python-psutil
       - python-debtcollector

image-yaml/overcloud-realtime-compute.yaml

@@ -21,7 +21,6 @@ disk_images:
       - remove-resolvconf
       - realtime-kernel
       - openssh
-      - disable-nouveau
     packages:
       - python-psutil
       - python-debtcollector

releasenotes/notes/disable_nouveau-bbaf1263fe43821a.yaml

@@ -1,6 +0,0 @@
----
-features:
-  - |
-    Add disable-nouveau element to tripleo images
-    This ensures nouveau is not loaded at boot, as this can prevent PCI passthrough
-    or loading the NVIDIA binary drivers that are required for vGPU support.