staging:rtl8192u: Removed commented out include - Style

Remove commented out #include directive.

Additionally shorted a block comment to clear the checkpatch issue
with line length.

These are coding style changes which should have no impact on runtime
code execution.

Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/ieee80211_module.c

@@ -29,10 +29,9 @@
  *  James P. Ketrenos <ipw2100-admin@linux.intel.com>
  *  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  *
- *******************************************************************************/
+ ******************************************************************************/
 
 #include <linux/compiler.h>
-/* #include <linux/config.h> */
 #include <linux/errno.h>
 #include <linux/if_arp.h>
 #include <linux/in6.h>