ARM: OMAP: remove unused variable

Commit 0583fe478a7 "ARM: convert arm/arm64 arch timer to use CLKSRC_OF init"
has left the omap5_realtime_timer_init() function with a stale variable and
broken whitespace. This fixes both.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index d5a13dc..31109cb 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -621,12 +621,10 @@
 #ifdef CONFIG_SOC_OMAP5
 void __init omap5_realtime_timer_init(void)
 {
-	int err;
-
 	omap4_sync32k_timer_init();
 	realtime_counter_init();
 
-        clocksource_of_init();
+	clocksource_of_init();
 }
 #endif /* CONFIG_SOC_OMAP5 */