pyqtgraph dock patch is not needed anymore

misc/pyqtgraph-do-not-close-nonclosable-docks.patch

@@ -1,28 +0,0 @@
-diff --git a/pyqtgraph/dockarea/Dock.py b/pyqtgraph/dockarea/Dock.py
-index 4493d07..a05e685 100644
---- a/pyqtgraph/dockarea/Dock.py
-+++ b/pyqtgraph/dockarea/Dock.py
-@@ -18,6 +18,7 @@ class Dock(QtGui.QWidget, DockDrop):
-         self.label = DockLabel(name, self, closable)
-         if closable:
-             self.label.sigCloseClicked.connect(self.close)
-+        self.closable = closable
-         self.labelHidden = False
-         self.moveLabel = True  ## If false, the dock is no longer allowed to move the label.
-         self.autoOrient = autoOrientation
-diff --git a/pyqtgraph/dockarea/DockArea.py b/pyqtgraph/dockarea/DockArea.py
-index ffe75b6..b054b24 100644
---- a/pyqtgraph/dockarea/DockArea.py
-+++ b/pyqtgraph/dockarea/DockArea.py
-@@ -306,7 +306,10 @@ class DockArea(Container, QtGui.QWidget, DockDrop):
-     def clear(self):
-         docks = self.findAll()[1]
-         for dock in docks.values():
--            dock.close()
-+            if dock.closable:
-+                dock.close()
-+            else:
-+                self.home.moveDock(dock, "top", None)
-             
-     ## PySide bug: We need to explicitly redefine these methods
-     ## or else drag/drop events will not be delivered.