Stop telling users how to disable security

It is arguably irresponsibly to tell users to disable their securtiy
to do development. Especially when the alternatives are safe
and easy, taking 30 seconds to 2 minutes max

docs/manual/en/introduction/How-to-run-things-locally.html

@@ -122,64 +122,6 @@ ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 8000, :DocumentRoot =>
 				</ol>
 			</div>
 
-		<h2>Change local files security policy</h2>
-		<div>
-			<h3>Safari</h3>
-			<div>
-				<p>
-					Enable the develop menu using the preferences panel, under Advanced -&gt; "Show develop menu
-					in menu bar".
-				</p>
-
-				<p>
-					Then from the safari "Develop" menu, select "Disable local file restrictions", it is also
-					worth noting safari has some odd behaviour with caches, so it is advisable to use the
-					"Disable caches" option in the same menu; if you are editing &amp; debugging using safari.
-				</p>
-			</div>
-
-
-			<h3>Chrome</h3>
-			<div>
-				<p>Close all running Chrome instances first. The important word here is 'all'.</p>
-
-				<p>
-					On Windows, you may check for Chrome instances using the Windows Task Manager.
-					Alternatively, if you see a Chrome icon in the system tray, then you may open its context
-					menu and click 'Exit'. This should close all Chrome instances.
-				</p>
-
-				<p>Then start the Chrome executable with a command line flag:</p>
-
-				<code>chrome --allow-file-access-from-files</code>
-
-				<p>
-					On Windows, the easiest is probably to create a special shortcut icon which has
-					added the flag given above (right-click on shortcut -&gt; properties -&gt; target).
-				</p>
-
-				<p>On Mac OSX, you can do this with</p>
-
-				<code>open /Applications/Google\ Chrome.app --args --allow-file-access-from-files</code>
-			</div>
-
-			<h3>Firefox</h3>
-			<div>
-				<ol>
-				<li>
-					In the address bar, type <code>about:config</code>
-				</li>
-				<li>
-					Find the <code>security.fileuri.strict_origin_policy</code> parameter
-				</li>
-				<li>
-					Set it to <em>false</em>
-				</li>
-				</ol>
-			</div>
-
-		</div>
-
 			<p>
 				Other simple alternatives are [link:http://stackoverflow.com/q/12905426/24874 discussed here]
 				on Stack Overflow.