accel/tcg: Remove pointless initialization of cflags_next_tb

cflags_next_tb is always re-initialized in the CPU Reset()
handler in cpu_common_reset_hold(), no need to initialize
it in cpu_common_initfn().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240427155714.53669-13-philmd@linaro.org>

hw/core/cpu-common.c

@@ -249,7 +249,6 @@ static void cpu_common_initfn(Object *obj)
     /* user-mode doesn't have configurable SMP topology */
     /* the default value is changed by qemu_init_vcpu() for system-mode */
     cpu->nr_threads = 1;
-    cpu->cflags_next_tb = -1;
 
     /* allocate storage for thread info, initialise condition variables */
     cpu->thread = g_new0(QemuThread, 1);