spectral cluster refactor

src/MATLAB/+Cluster/SpectralCluster.m

@@ -54,11 +54,7 @@
 function [idx,Y]= SpectralCluster(A,k)
 
 NREP=50;
-% if (1==k)
-%     idx=ones(size(A,2),1);
-%     Y = []; % ack TODO need Y for 1?
-%     return;
-% end
+
 for i=1:size(A,1)
     D(i,i)=sum(A(i,:));
 end