Remove `--allow-non-finalized`

docs/op-stack/src/docs/build/getting-started.md

@@ -498,16 +498,17 @@ cd ~/optimism/op-proposer
     --rollup-rpc http://localhost:8547 \
     --l2oo-address $L2OO_ADDR \
     --private-key $PROPOSER_KEY \
-    --allow-non-finalized \
     --l1-eth-rpc $L1_RPC
 ```
 
+<!--
 ::: warning Change before moving to production
 
 The `--allow-non-finalized` flag allows for faster tests on a test network. 
 However, in production you would probably want to only submit proposals on properly finalized blocks.
 
 :::
+-->
 
 ## Get some ETH on your Rollup