remove comment

Author: mohammedahmed18

codeflash/code_utils/code_replacer.py

@@ -278,7 +278,6 @@ def visit_ClassDef(self, node: cst.ClassDef) -> bool:
 
         parents = (FunctionParent(name=node.name.value, type="ClassDef"),)
 
-        # check if the class is new
         if (node.name.value, ()) not in self.preexisting_objects:
             self.new_classes.append(node)