[pitivi] elements: Remove queue_draw call

[Alexandru Băluț <alexbalut src gnome org>]

commit 6b7590dca0bad30d9ef49d437e11e3831b8bc275
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Sun Nov 6 16:59:50 2016 +0100

    elements: Remove queue_draw call
    
    It's not needed because when adding a child widget the container queues
    itself for draw automatically.
    
    Reviewed-by: Thibault Saunier <tsaunier gnome org>
    Differential Revision: https://phabricator.freedesktop.org/D1448

 pitivi/timeline/elements.py |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/pitivi/timeline/elements.py b/pitivi/timeline/elements.py
index 6868fb6..bd1f1be 100644
--- a/pitivi/timeline/elements.py
+++ b/pitivi/timeline/elements.py
@@ -523,7 +523,6 @@ class TimelineElement(Gtk.Layout, Zoomable, Loggable):
         self.keyframe_curve.set_size_request(self.__width, self.__height)
         self.keyframe_curve.show()
         self.__update_keyframe_curve_visibility()
-        self.queue_draw()
 
     def __createControlBinding(self, element):
         if self.__controlledProperty: