Hexagon: remove keyring related call

Signed-off-by: Richard Kuo <rkuo@codeaurora.org>

arch/hexagon/kernel/process.c

@@ -234,9 +234,6 @@ int do_work_pending(struct pt_regs *regs, u32 thread_info_flags)
 	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
 		clear_thread_flag(TIF_NOTIFY_RESUME);
 		tracehook_notify_resume(regs);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
-		return 1;
 	}
 
 	/* Should not even reach here */