tools: Fix "the the" in a message in kernel-chktaint

There is a double "the" in a message in kernel-chktaint, fix it.

Signed-off-by: Colin Ian King <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jonathan Corbet <[e-mail]>

tools/debugging/kernel-chktaint

···
 fi
 
 echo "For a more detailed explanation of the various taint flags see"
-echo " Documentation/admin-guide/tainted-kernels.rst in the the Linux kernel sources"
+echo " Documentation/admin-guide/tainted-kernels.rst in the Linux kernel sources"
 echo " or https://kernel.org/doc/html/latest/admin-guide/tainted-kernels.html"
 echo "Raw taint value as int/string: $taint/'$out'"
 #EOF#