chore: remove duplicate tailscale manifests from Alpha PR spam

deployments/tailscale-operator/deployment.yaml

@@ -1,42 +0,0 @@
-apiVersion: apps/v1
-kind: Deployment
-metadata:
-  name: tailscale-operator
-  namespace: tailscale
-  labels:
-    app: tailscale-operator
-spec:
-  replicas: 1
-  selector:
-    matchLabels:
-      app: tailscale-operator
-  template:
-    metadata:
-      labels:
-        app: tailscale-operator
-    spec:
-      serviceAccountName: tailscale-operator
-      containers:
-      - name: operator
-        image: ghcr.io/tailscale/k8s-operator:v1.78.3
-        env:
-        - name: POD_NAME
-          valueFrom:
-            fieldRef:
-              fieldPath: metadata.name
-        - name: POD_NAMESPACE
-          valueFrom:
-            fieldRef:
-              fieldPath: metadata.namespace
-        - name: TS_CLIENT_ID_FILE
-          value: /etc/tailscale/oauth/client-id
-        - name: TS_CLIENT_SECRET_FILE
-          value: /etc/tailscale/oauth/client-secret
-        volumeMounts:
-        - name: oauth-secret
-          mountPath: /etc/tailscale/oauth
-          readOnly: true
-      volumes:
-      - name: oauth-secret
-        secret:
-          secretName: tailscale-operator-secret