Documentation: Replace del_timer/del_timer_sync()

[ Upstream commit 87bdd932e85881895d4720255b40ac28749c4e32 ]

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]
Signed-off-by: Jeongjun Park <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

• Documentation/RCU/Design/Requirements/Requirements.rst[diff]
• Documentation/core-api/local_ops.rst[diff]
• Documentation/kernel-hacking/locking.rst[diff]
• Documentation/timers/hrtimers.rst[diff]
• Documentation/translations/it_IT/kernel-hacking/locking.rst[diff]
• Documentation/translations/zh_CN/core-api/local_ops.rst[diff]