MAINTAINERS: Remove stale email address

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230222144649.624380-7-frederic@kernel.org

MAINTAINERS

@@ -14746,7 +14746,7 @@ F:	include/uapi/linux/nitro_enclaves.h
 F:	samples/nitro_enclaves/
 
 NOHZ, DYNTICKS SUPPORT
-M:	Frederic Weisbecker <fweisbec@gmail.com>
+M:	Frederic Weisbecker <frederic@kernel.org>
 M:	Thomas Gleixner <tglx@linutronix.de>
 M:	Ingo Molnar <mingo@kernel.org>
 L:	linux-kernel@vger.kernel.org