block/ps3vram: Delete an error message for a failed memory allocation in ps3vram_cache_init()

[SF Markus Elfring]

>> Do you find the default allocation failure report insufficient?
> 
> The default is OK.

Thanks for this information.


> I didn't consider one would be triggered by the kzalloc failure.

Do you reconsider any special system settings for further
software evolution then?

Regards,
Markus