modules: linux/moduleparam.h: drop duplicated word in a comment

Drop the doubled word "the" in a comment.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jessica Yu <jeyu@kernel.org>
Signed-off-by: Jessica Yu <jeyu@kernel.org>

include/linux/moduleparam.h

@@ -108,7 +108,7 @@ struct kparam_array
  * ".") the kernel commandline parameter.  Note that - is changed to _, so
  * the user can use "foo-bar=1" even for variable "foo_bar".
  *
- * @perm is 0 if the the variable is not to appear in sysfs, or 0444
+ * @perm is 0 if the variable is not to appear in sysfs, or 0444
  * for world-readable, 0644 for root-writable, etc.  Note that if it
  * is writable, you may need to use kernel_param_lock() around
  * accesses (esp. charp, which can be kfreed when it changes).