[pitivi] help: remove unnecessary note from mainwindow.page

[Jean-François Fortin Tam <jfft src gnome org>]

commit 39c00915e41ba405e6f298792c757d9109528ee5
Author: Tomas Karger <tomkarger gmail com>
Date:   Tue May 13 14:35:50 2014 +0200

    help: remove unnecessary note from mainwindow.page

 help/C/mainwindow.page |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)
---
diff --git a/help/C/mainwindow.page b/help/C/mainwindow.page
index e999d4d..5186af7 100644
--- a/help/C/mainwindow.page
+++ b/help/C/mainwindow.page
@@ -94,17 +94,13 @@
      <title>Playback toolbar</title>
       <p>This toolbar, located below the previewer, contains buttons controlling the playback of the 
timeline. Options provided by the toolbar are the following:</p>
       <list>
-      <item><p>Play</p></item>
-      <item><p>Pause</p></item>
+      <item><p>Play/Pause</p></item>
       <item><p>Go forward one second</p></item>
       <item><p>Go back one second</p></item>
       <item><p>Go to the end of the timeline</p></item>
       <item><p>Go to the beginning of the timeline</p></item>
       </list>
       <p>For more information on how to move on the timeline, see the <em>Moving the playhead</em> and 
<em>Scrubbing</em> sections on the <link xref="movearoundtimeline">Moving around the timeline</link> page.</p>
-      <note>
-      <p>The <gui>Play</gui> button transforms into a <gui>Pause</gui> button when playing, and reverts to a 
<gui>Play</gui> button again when not playing.</p>
-      </note>
     </section>
 
     <section>