Documentation: Replace del_timer/del_timer_sync()

Adjust to the new preferred function names.

Suggested-by: Steven Rostedt <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Reviewed-by: Anna-Maria Behnsen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

6 files changed