target-arm: Drop cpu_arm_close()

It's unused, so no need to QOM'ify it later.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target-arm/cpu.h

diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 26c114b..69ef142 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -238,7 +238,6 @@
 CPUARMState *cpu_arm_init(const char *cpu_model);
 void arm_translate_init(void);
 int cpu_arm_exec(CPUARMState *s);
-void cpu_arm_close(CPUARMState *s);
 void do_interrupt(CPUARMState *);
 void switch_mode(CPUARMState *, int);
 uint32_t do_arm_semihosting(CPUARMState *env);

target-arm/helper.c

diff --git a/target-arm/helper.c b/target-arm/helper.c
index 1314f23..1ce8105 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -493,11 +493,6 @@
     return id;
 }
 
-void cpu_arm_close(CPUARMState *env)
-{
-    g_free(env);
-}
-
 static int bad_mode_switch(CPUARMState *env, int mode)
 {
     /* Return true if it is not valid for us to switch to