examples: Remove ".yaml" suffix from privileges-setuid-root

This is a tiny change in the example policy name, because the ".yaml" suffix
looks a bit awkward.

Signed-off-by: Anna Kapuscinska <anna@isovalent.com>

examples/policylibrary/privileges/privileges-setuid-root.yaml

@@ -53,7 +53,7 @@
 apiVersion: cilium.io/v1alpha1
 kind: TracingPolicy
 metadata:
-  name: "privileges-setuid-root.yaml"
+  name: "privileges-setuid-root"
 spec:
   kprobes:
   - call: "__sys_setuid"