disabled warning when calling connect() with an already established...

disabled warning when calling connect() with an already established connection, because of unnecessary confusion 

source/EV3.m

@@ -170,7 +170,9 @@ classdef EV3 < MaskedHandle
 
             if ev3.isConnected
                 if isCommInterfaceValid(ev3.commInterface)
-                    warning('EV3::connect: Already connected. Resetting connection now...');
+                    % Warning lead to confusion of students. Since brick connection is still working
+		            % even if calling connect() multiple times, it is disabled. 
+		            % warning('EV3::connect: Already connected. Resetting connection now...');
                     ev3.disconnect();
                 else
                     warning(['EV3::connect: EV3.isConnected is set to ''True'', but ',...