🐛 fix: instance error

[faiq]

What type of PR is this?
a fix

08:32 PM  fraza @ Linux-PC1RG42G  ~/go/src/github.com/kubernetes-sigs/cluster-api-provider-aws/bootstrap/eks/internal/userdata  release-2.10 
$ go test
--- FAIL: TestNodeadmUserdata (0.00s)
    nodeadm_test.go:374: 
        Unexpected error:
            <*errors.errorString | 0xc000151060>: 
            failed to execute node config template: template: node:42:9: executing "node" at <.Instance>: can't evaluate field Instance in type *userdata.NodeadmInput
            {
                s: "failed to execute node config template: template: node:42:9: executing \"node\" at <.Instance>: can't evaluate field Instance in type *userdata.NodeadmInput",
            }
        occurred
    --- FAIL: TestNodeadmUserdata/basic_nodeadm_userdata (0.00s)
        testing.go:1679: test executed panic(nil) or runtime.Goexit: subtest may have called FailNow on a parent test
FAIL
exit status 1
FAIL	sigs.k8s.io/cluster-api-provider-aws/v2/bootstrap/eks/internal/userdata	0.019s

diff --git a/bootstrap/eks/internal/userdata/nodeadm.go b/bootstrap/eks/internal/userdata/nodeadm.go
index 264469bb0..bc9ca4742 100644
--- a/bootstrap/eks/internal/userdata/nodeadm.go
+++ b/bootstrap/eks/internal/userdata/nodeadm.go
@@ -115,22 +115,6 @@ spec:
 {{ Indent 6 (toYaml .ContainerdBaseRuntimeSpec) }}
     {{- end }}
   {{- end }}
-  {{- if .Instance }}
-  instance:
-    {{- if .Instance.LocalStorage }}
-    localStorage:
-      strategy: {{ .Instance.LocalStorage.Strategy }}
-      {{- with .Instance.LocalStorage.MountPath }}
-      mountPath: {{ . }}
-      {{- end }}
-      {{- with .Instance.LocalStorage.DisabledMounts }}
-      disabledMounts:
-      {{- range . }}
-      - {{ . }}
-      {{- end }}
-      {{- end }}
-    {{- end }}
-  {{- end }}
 
 --{{.Boundary}}`

08:32 PM  fraza @ Linux-PC1RG42G  ~/go/src/github.com/kubernetes-sigs/cluster-api-provider-aws/bootstrap/eks/internal/userdata  release-2.10⚡ 
$ go test
PASS
ok  	sigs.k8s.io/cluster-api-provider-aws/v2/bootstrap/eks/internal/userdata	0.020s

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

Checklist:

• squashed commits
• includes documentation
• includes emoji in title
• adds unit tests
• adds or updates e2e tests

Release note: