Docs: do not link with the demo videos, yet.

Author: Arian Fornaris

docs/assets_manager.rst

@@ -3,9 +3,6 @@ Assets Management
 
 In Phaser Editor we encourage to use the `Asset Pack JSON Format <http://www.html5gamedevs.com/topic/6807-new-phaser-asset-pack-feature-please-test>`_ to load the assets of your games, it allow a better organization and comprehension of the assets and we provide many features around this file, specially the scene maker.
 
-
-`Watch a demo video <https://www.youtube.com/watch?v=mMopa8gTpoQ&index=2&list=PLB8gI_5U0MvCJuhPv-LBdi_a9PQxYxFqK>`_
-
 The asset pack
 --------------
 

docs/canvas.rst

@@ -7,8 +7,6 @@ There are three type of Canvas files: states (compiled to a ``Phaser.State` code
 
 When you create a scene (let's say one named ``Level``) you get two files: ``Level.canvas`` and ``Level.js``. The ``Level.canvas`` file contains the objects of the scene and uses a custom Phaser Editor format. The ``Level.js`` file is compiled from the ``Level.canvas`` file and contains all the Phaser code that creates the real scene. Note that in a game distribution only the ``Level.js`` file is needed, since ``Level.canvas`` is only for design purpose.
 
-`Watch the video <https://youtu.be/4pA-NJf_gEE>`_
-
 Read in Zenva GameDev Academy `Make a Mario-Style Platformer with the Phaser Editor <https://gamedevacademy.org/make-a-mario-style-platformer-with-the-phaser-editor/>`_
 
 .. image:: images/Canvas.png

docs/first_steps.rst

@@ -4,8 +4,6 @@ First Steps
 
 This is a small guide you can follow to start writing your games and perform common tasks related to the editor's features.
 
-`Watch a demo video <https://www.youtube.com/watch?v=jHDB4WwKTIY&index=1&list=PLB8gI_5U0MvCJuhPv-LBdi_a9PQxYxFqK>`_
-
 
 Download and install
 --------------------