[pitivi] timeline: Remove unneeded commit_timeline

[Alexandru Băluț <alexbalut src gnome org>]

commit 6693d9781bf3d1ca3735c1729e279cc8dc5ac174
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Wed May 25 22:53:34 2016 +0200

    timeline: Remove unneeded commit_timeline
    
    Differential Revision: https://phabricator.freedesktop.org/D1014

 pitivi/timeline/timeline.py |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index d0d51c7..fb7f313 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -1670,8 +1670,6 @@ class TimelineContainer(Gtk.Grid, Zoomable, Loggable):
         with self.app.action_log.started("split clip"):
             self._splitElements(self.timeline.selection.selected)
 
-        self._project.pipeline.commit_timeline()
-
     def _splitElements(self, clips=None):
         splitting_selection = clips is not None
         if clips is None: