Remove upstreamed QList patch

gnuplot-qlist-message.patch

@@ -1,27 +0,0 @@
---- a/src/qtterminal/QtGnuplotScene.cpp
-+++ b/src/qtterminal/QtGnuplotScene.cpp
-@@ -167,9 +167,7 @@
- void QtGnuplotScene::update_key_box(const QRectF rect)
- {
- 	if (m_currentPlotNumber > m_key_boxes.count()) {
--		// DEBUG Feb 2018 should no longer trigger
--		// because m_key_box insertion is done in layer code for GEAfterPlot
--		m_key_boxes.insert(m_currentPlotNumber, QtGnuplotKeybox(rect));
-+		m_key_boxes.insert(m_currentPlotNumber-1, QtGnuplotKeybox(rect));
- 	} else if (m_key_boxes[m_currentPlotNumber-1].isEmpty()) {
- 		// Retain the visible/hidden flag when re-initializing the Keybox
- 		bool tmp = m_key_boxes[m_currentPlotNumber-1].ishidden();
-@@ -515,12 +513,12 @@
- 			if (0 < m_currentPlotNumber && m_currentPlotNumber <= m_key_boxes.count())
- 				newgroup->setVisible( !(m_key_boxes[m_currentPlotNumber-1].ishidden()) );
- 			// Store it in an ordered list so we can toggle it by index
--			m_plot_group.insert(m_currentPlotNumber, newgroup);
-+			m_plot_group.insert(m_currentPlotNumber-1, newgroup);
- 		} 
- 
- 		if (m_currentPlotNumber >= m_key_boxes.count()) {
- 			QRectF empty( QPointF(0,0), QPointF(0,0));
--			m_key_boxes.insert(m_currentPlotNumber,  empty);
-+			m_key_boxes.append(empty);
- 			m_key_boxes[m_currentPlotNumber-1].resetStatus();
- 		}

gnuplot.spec

@@ -39,9 +39,6 @@ Patch6: gnuplot-5.4.2-no-lena.patch
 Patch7: gnuplot-5.2.2-doc.patch
 Patch8: gnuplot-5.2.8-cmd-opts.patch
 Patch9: gnuplot-config.patch
-# Suppress error messages "QList index out of range"
-# Patch from upstream https://sourceforge.net/p/gnuplot/support-requests/269/
-Patch20: gnuplot-qlist-message.patch
 
 Requires: %{name}-common = %{version}-%{release}
 Requires: dejavu-sans-fonts
@@ -178,7 +175,6 @@ plotting tool.
 %patch7 -p1 -b .doc
 %patch8 -p1 -b .cmd-opts
 %patch9 -p1 -b .config
-%patch20 -p1 -b .qlist-index
 sed -i -e 's:"/usr/lib/X11/app-defaults":"%{x11_app_defaults_dir}":' src/gplt_x11.c
 chmod 644 src/getcolor.h
 chmod 644 demo/html/webify.pl