kernel: printk: delete repeated words in comments

Drop repeated words "the" in kernel/printk/.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200807033227.8349-1-rdunlap@infradead.org