staging: most: Delete an error message for a failed memory allocation

The kfifo_alloc() failure generates enough information and doesn't need
to be accompanied by another error statement.

Signed-off-by: Keyur Patel <iamkeyur96@gmail.com>
Link: https://lore.kernel.org/r/20190714172708.5067-1-iamkeyur96@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>