sde-update-tree: removed superfluous message after `git clone`, git is verbose enough

bin/sde-update-tree

@@ -143,12 +143,6 @@ for x in . package $( ls -1d package/* target/* 2> /dev/null ); do
 			package)
 				echo_info "$prefix:"
 				git clone "$baseurl/$x-nopast.git" "$x"
-				errno=$?
-				if [ $errno -eq 0 ]; then
-					echo_info "$prefix: cloned successfully"
-				else
-					echo_warning "$prefix: cloning failed ($errno)"
-				fi
 				;;
 			*)
 				echo_warning "$prefix: missing"