C#: Remove comment

Author: hvitved

csharp/ql/src/Likely Bugs/EqualityCheckOnFloats.ql

@@ -22,6 +22,4 @@ from EqualityOperation e
 where
   e.getAnOperand().getType() instanceof FloatingPointType and
   not e.getAnOperand() instanceof NullLiteral
-//Uncomment this to exclude comparisons to 0 literals
-//or e.getAnOperand() instanceof ZeroFloatLiteral
 select e, "Equality checks on floating point values can yield unexpected results."