ARM: 8194/1: remove clear_thread_flag(TIF_UPROBE)

This patch remove clear_thread_flag(TIF_UPROBE) in do_work_pending(),
because uprobe_notify_resume() have do this.

Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>