accel/tcg/cpu-exec: Unexport dump_drift_info()

Commit 3a841ab5 'qapi: introduce
x-query-jit QMP command' basically moved the only function using
dump_drift_info() to cpu-exec.c. Therefore, dump_drift_info() doesn't
need to be exported any longer.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20220520180109.8224-9-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

accel/tcg/cpu-exec.c

@@ -1048,7 +1048,7 @@ void tcg_exec_unrealizefn(CPUState *cpu)
 
 #ifndef CONFIG_USER_ONLY
 
-void dump_drift_info(GString *buf)
+static void dump_drift_info(GString *buf)
 {
     if (!icount_enabled()) {
         return;

include/exec/cpu-all.h

@@ -419,8 +419,6 @@ static inline bool tlb_hit(target_ulong tlb_addr, target_ulong addr)
 }
 
 #ifdef CONFIG_TCG
-/* accel/tcg/cpu-exec.c */
-void dump_drift_info(GString *buf);
 /* accel/tcg/translate-all.c */
 void dump_exec_info(GString *buf);
 void dump_opcount_info(GString *buf);