hw/sparc/leon3: Remove unnecessary CPU() QOM cast

env_cpu() already returns a CPUState type, no need to cast.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Clément Chigot <chigot@adacore.com>
Message-Id: <20251002033623.26800-1-philmd@linaro.org>

hw/sparc/leon3.c

@@ -192,7 +192,7 @@ static void leon3_cache_control_int(CPUSPARCState *env)
 
 static void leon3_irq_ack(CPUSPARCState *env, int intno)
 {
-    CPUState *cpu = CPU(env_cpu(env));
+    CPUState *cpu = env_cpu(env);
     grlib_irqmp_ack(env->irq_manager, cpu->cpu_index, intno);
 }