removed senseless comments

Change-Id: I38dcca9d513e9122ffca81f448ad3181fd7a9817

sc/source/core/tool/interpr3.cxx

@@ -3850,7 +3850,7 @@ void ScInterpreter::CalculatePearsonCovar( bool _bPearson, bool _bStexy, bool _b
             }
         }
     }
-    if (fCount < (_bStexy ? 3.0 : (_bSample ? 2.0 : 1.0))) // fCount==1 is handled by checking denominator later on
+    if (fCount < (_bStexy ? 3.0 : (_bSample ? 2.0 : 1.0)))
         PushNoValue();
     else
     {
@@ -3872,7 +3872,7 @@ void ScInterpreter::CalculatePearsonCovar( bool _bPearson, bool _bStexy, bool _b
                     }
                 }
             }
-        } // for (SCSIZE i = 0; i < nC1; i++)
+        }
         if ( _bPearson )
         {
             if (fSumSqrDeltaX == 0.0 || ( !_bStexy && fSumSqrDeltaY == 0.0) )
@@ -3882,7 +3882,7 @@ void ScInterpreter::CalculatePearsonCovar( bool _bPearson, bool _bStexy, bool _b
                             fSumDeltaXDeltaY / fSumSqrDeltaX) / (fCount-2)));
             else
                 PushDouble( fSumDeltaXDeltaY / sqrt( fSumSqrDeltaX * fSumSqrDeltaY));
-        } // if ( _bPearson )
+        }
         else
         {
             if ( _bSample )