Update How-to-run-things-locally.html

delete repeated "probably"

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

@@ -154,7 +154,7 @@ ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 8000, :DocumentRoot =>
 				<code>chrome --allow-file-access-from-files</code>
 
 				<p>
-					On Windows, probably the easiest is probably to create a special shortcut icon which has
+					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>