perf tui: Remove unneeded call to newtCls on startup

That was just filling the screen with blue, even if not a crash, not
something pleasant nor useful ;-)

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-58znjqvan9b1mv5pojxboidg@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/ui/setup.c

@@ -44,7 +44,6 @@ void setup_browser(bool fallback_to_pager)
 
 	use_browser = 1;
 	newtInit();
-	newtCls();
 	newtSetSuspendCallback(newt_suspend, NULL);
 	ui_helpline__init();
 	ui_browser__init();