Removed the sudo make dep option from the documentation since it is no longer available.

doc/main.dox

@@ -33,8 +33,6 @@
          - <A href="http://wikiri.upc.es/index.php/Communications_library">communications library</a>, a set of comunication drivers used to access the dynamixel bus.
 	 .
 
-  from the <em>build</em> folder and after calling the <em>cmake ..</em> command.
-
   Under MacOS most of the packages are available via <a href="http://www.finkproject.org/">fink</a>. <br>
 
   \subsection Compilation