drm/i915/gvt: fix vgpu debugfs clean in remove
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.87 by commit f5a9bbf962e2c4b1d9addbfaf16d7ffcc2f63bde, it was introduced in version v4.16 by commit bc7b0be316aebac42eb9e8e54c984609555944da. For more details please see the references link.