[AVR32] Remove redundant try_to_freeze() call from do_signal()

get_signal_to_deliver() will call try_to_freeze(), so there's no point
in do_signal() doing it as well.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

arch/avr32/kernel/signal.c

@@ -270,19 +270,12 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall)
 	if (!user_mode(regs))
 		return 0;
 
-	if (try_to_freeze()) {
-		signr = 0;
-		if (!signal_pending(current))
-			goto no_signal;
-	}
-
 	if (test_thread_flag(TIF_RESTORE_SIGMASK))
 		oldset = &current->saved_sigmask;
 	else if (!oldset)
 		oldset = &current->blocked;
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
-no_signal:
 	if (syscall) {
 		switch (regs->r12) {
 		case -ERESTART_RESTARTBLOCK: