Documentation: printk-basics: eliminate duplicated word

Drop the doubled word "the".

Signed-off-by: Randy Dunlap <[e-mail]>
Cc: Jonathan Corbet <[e-mail]>
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Corbet <[e-mail]>

Documentation/core-api/printk-basics.rst

···
 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