actions: Remove unused USING_NFD

There's no reason to keep the env var / input as it's never been used
and now kata-deploy detects automatically whether NFD is deployed or
not.

Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com>

.github/workflows/run-k8s-tests-on-aks.yaml

@@ -79,7 +79,6 @@ jobs:
       KATA_HOST_OS: ${{ matrix.host_os }}
       KATA_HYPERVISOR: ${{ matrix.vmm }}
       KUBERNETES: "vanilla"
-      USING_NFD: "false"
       K8S_TEST_HOST_TYPE: ${{ matrix.instance-type }}
       GENPOLICY_PULL_METHOD: ${{ matrix.genpolicy-pull-method }}
     steps:

.github/workflows/run-k8s-tests-on-amd64.yaml

@@ -53,7 +53,6 @@ jobs:
       KUBERNETES: ${{ matrix.k8s }}
       KUBERNETES_EXTRA_PARAMS: ${{ matrix.container_runtime != 'crio' && '' || '--cri-socket remote:unix:///var/run/crio/crio.sock --kubelet-extra-args --cgroup-driver="systemd"' }}
       SNAPSHOTTER: ${{ matrix.snapshotter }}
-      USING_NFD: "false"
       K8S_TEST_HOST_TYPE: all
       CONTAINER_RUNTIME: ${{ matrix.container_runtime }}
     steps:

.github/workflows/run-k8s-tests-on-arm64.yaml

@@ -42,7 +42,6 @@ jobs:
       GH_PR_NUMBER: ${{ inputs.pr-number }}
       KATA_HYPERVISOR: ${{ matrix.vmm }}
       KUBERNETES: ${{ matrix.k8s }}
-      USING_NFD: "false"
       K8S_TEST_HOST_TYPE: all
       TARGET_ARCH: "aarch64"
     steps:

.github/workflows/run-k8s-tests-on-nvidia-gpu.yaml

@@ -45,7 +45,6 @@ jobs:
       GH_PR_NUMBER: ${{ inputs.pr-number }}
       KATA_HYPERVISOR: ${{ matrix.vmm }}
       KUBERNETES: ${{ matrix.k8s }}
-      USING_NFD: "false"
       K8S_TEST_HOST_TYPE: all
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/run-k8s-tests-on-ppc64le.yaml

@@ -43,7 +43,6 @@ jobs:
       GOPATH: ${{ github.workspace }}
       KATA_HYPERVISOR: ${{ matrix.vmm }}
       KUBERNETES: ${{ matrix.k8s }}
-      USING_NFD: "false"
       TARGET_ARCH: "ppc64le"
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

.github/workflows/run-k8s-tests-on-zvsi.yaml

@@ -46,11 +46,9 @@ jobs:
         include:
           - snapshotter: devmapper
             pull-type: default
-            using-nfd: true
             deploy-cmd: configure-snapshotter
           - snapshotter: nydus
             pull-type: guest-pull
-            using-nfd: false
             deploy-cmd: deploy-snapshotter
         exclude:
           - snapshotter: overlayfs
@@ -76,7 +74,6 @@ jobs:
       KUBERNETES: ${{ matrix.k8s }}
       PULL_TYPE: ${{ matrix.pull-type }}
       SNAPSHOTTER: ${{ matrix.snapshotter }}
-      USING_NFD: ${{ matrix.using-nfd }}
       TARGET_ARCH: "s390x"
       AUTHENTICATED_IMAGE_USER: ${{ vars.AUTHENTICATED_IMAGE_USER }}
       AUTHENTICATED_IMAGE_PASSWORD: ${{ secrets.AUTHENTICATED_IMAGE_PASSWORD }}

.github/workflows/run-kata-coco-stability-tests.yaml

@@ -70,7 +70,6 @@ jobs:
       AUTHENTICATED_IMAGE_USER: ${{ vars.AUTHENTICATED_IMAGE_USER }}
       AUTHENTICATED_IMAGE_PASSWORD: ${{ secrets.AUTHENTICATED_IMAGE_PASSWORD }}
       SNAPSHOTTER: ${{ matrix.snapshotter }}
-      USING_NFD: "false"
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:

.github/workflows/run-kata-coco-tests.yaml

@@ -57,7 +57,6 @@ jobs:
       GH_PR_NUMBER: ${{ inputs.pr-number }}
       KATA_HYPERVISOR: ${{ matrix.vmm }}
       KUBERNETES: "vanilla"
-      USING_NFD: "false"
       KBS: "true"
       K8S_TEST_HOST_TYPE: "baremetal"
       KBS_INGRESS: "nodeport"
@@ -163,7 +162,6 @@ jobs:
       # host type chose it will result on the creation of a cluster with
       # insufficient resources.
       K8S_TEST_HOST_TYPE: "all"
-      USING_NFD: "false"
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
@@ -284,7 +282,6 @@ jobs:
       SNAPSHOTTER: ${{ matrix.snapshotter }}
       USE_EXPERIMENTAL_SETUP_SNAPSHOTTER: "true"
       K8S_TEST_HOST_TYPE: "all"
-      USING_NFD: "false"
       # We are skipping the auto generated policy tests for now,
       # but those should be enabled as soon as we work on that.
       AUTO_GENERATE_POLICY: "no"

.github/workflows/run-kata-deploy-tests-on-aks.yaml

@@ -59,7 +59,6 @@ jobs:
       KATA_HOST_OS: ${{ matrix.host_os }}
       KATA_HYPERVISOR: ${{ matrix.vmm }}
       KUBERNETES: "vanilla"
-      USING_NFD: "false"
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:

.github/workflows/run-kata-deploy-tests.yaml

@@ -45,7 +45,6 @@ jobs:
       GH_PR_NUMBER: ${{ inputs.pr-number }}
       KATA_HYPERVISOR: ${{ matrix.vmm }}
       KUBERNETES: ${{ matrix.k8s }}
-      USING_NFD: "false"
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:

.github/workflows/run-metrics.yaml

@@ -44,7 +44,6 @@ jobs:
       DOCKER_TAG: ${{ inputs.tag }}
       GH_PR_NUMBER: ${{ inputs.pr-number }}
       K8S_TEST_HOST_TYPE: "baremetal"
-      USING_NFD: "false"
       KUBERNETES: kubeadm
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2