Documentation: printk-basics: eliminate duplicated word

Drop the doubled word "the".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/20200707180414.10467-4-rdunlap@infradead.orgSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/core-api/printk-basics.rst

@@ -69,7 +69,7 @@ You can check the current *console_loglevel* with::
 The result shows the *current*, *default*, *minimum* and *boot-time-default* log
 levels.
 
-To change the current console_loglevel simply write the the desired level to
+To change the current console_loglevel simply write the desired level to
 ``/proc/sys/kernel/printk``. For example, to print all messages to the console::
 
   # echo 8 > /proc/sys/kernel/printk