File parallel-remove-nag-screen.patch of Package gnu_parallel

From: Andreas Stieger <astieger@suse.com>
Date: Fri, 07 Jul 2017 14:55:15 +0000
Subject: remove nag screen
Upstream: no

Removes the nag screen printed to stdout.
https://en.opensuse.org/openSUSE:Packaging_guidelines#Donation_requests

Index: parallel-20170622/src/parallel
===================================================================
--- parallel-20170622.orig/src/parallel	2017-06-22 13:35:31.000000000 +0200
+++ parallel-20170622/src/parallel	2017-07-07 16:54:46.209052861 +0200
@@ -1300,7 +1300,6 @@ sub parse_options {
 
     if(defined $opt::eta) { $opt::progress = $opt::eta; }
     if(defined $opt::bar) { $opt::progress = $opt::bar; }
-    citation_notice();
 
     parse_halt();
     parse_sshlogin();
Index: parallel-20170622/src/sem
===================================================================
--- parallel-20170622.orig/src/sem	2017-06-22 13:35:31.000000000 +0200
+++ parallel-20170622/src/sem	2017-07-07 16:54:46.209052861 +0200
@@ -1300,7 +1300,6 @@ sub parse_options {
 
     if(defined $opt::eta) { $opt::progress = $opt::eta; }
     if(defined $opt::bar) { $opt::progress = $opt::bar; }
-    citation_notice();
 
     parse_halt();
     parse_sshlogin();