chip-repl: Remove stal comment and validation (#32347)

diff --git a/src/controller/python/chip/clusters/command.cpp b/src/controller/python/chip/clusters/command.cpp
index 4174830..d65766b 100644
--- a/src/controller/python/chip/clusters/command.cpp
+++ b/src/controller/python/chip/clusters/command.cpp
@@ -283,9 +283,6 @@
         }
         SuccessOrExit(err = sender->TestOnlyFinishCommand(finishCommandParams));
 
-        // CommandSender provides us with the CommandReference for this associated command. In order to match responses
-        // we have to add CommandRef to index lookup.
-        VerifyOrExit(finishCommandParams.commandRef.HasValue(), err = CHIP_ERROR_INVALID_ARGUMENT);
         if (testOnlyCommandRefsOverride != nullptr)
         {
             // Making sure the value we used to override CommandRef was actually used.