MIPS: Remove panic_timeout settings

Now that we have a CONFIG_PANIC_TIMEOUT=x setting, remove the
mips settings. The default is 0, which means don't reboot on
panic.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Shinya Kuribayashi <skuribay@pobox.com>
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: benh@kernel.crashing.org
Cc: paulus@samba.org
Cc: mpe@ellerman.id.au
Cc: felipe.contreras@gmail.com
Cc: linux-mips@linux-mips.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/d19dc75fca343ec5d9ada75a1400f57330021976.1385418410.git.jbaron@akamai.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/mips/ar7/setup.c

@@ -92,7 +92,6 @@ void __init plat_mem_setup(void)
 	_machine_restart = ar7_machine_restart;
 	_machine_halt = ar7_machine_halt;
 	pm_power_off = ar7_machine_power_off;
-	panic_timeout = 3;
 
 	io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
 	if (!io_base)