Staging: rtl8192u: ieee80211: ieee80211_rx: Remove commented printk messages

Remove commented out printk messages since they are not needed. Also remove
the unnecessary braces and blank lines

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>