platform/x86: intel_ips: Remove never happen condition

At ->remove() stage we know that device had been instantiated properly,
so, it can't be an invalid pointer to the driver data.

Signed-off-by: Andy Shevchenko <[e-mail]>

drivers/platform/x86/intel_ips.c

···
 	struct ips_driver *ips = pci_get_drvdata(dev);
 	u64 turbo_override;
 
-	if (!ips)
-		return;
-
 	ips_debugfs_cleanup(ips);
 
 	/* Release i915 driver */