COB-153: Note to remove 'beam' varible

RTCP/Cobalt/GPUProc/share/gpu/kernels/DelayAndBandPass.cu

@@ -128,7 +128,7 @@ extern "C" {
     const fcomplex * filteredDataPtr,
     const unsigned * delayIndices,
     double subbandFrequency,
-    unsigned beam,
+    unsigned beam, // FIXME: this is no longer needed because nrSAPS=1 always
     const double * delaysAtBeginPtr,
     const double * delaysAfterEndPtr,
     const double * phase0sPtr,