timers/migration: Remove unused "cpu" parameter from tmigr_get_group()
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251024132536.39841-6-frederic@kernel.org
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