Remove note about not using weights v2 (#472)

docs/build/wasm/transaction-fees.md

@@ -14,8 +14,6 @@ As is also the case with Substrate, `pallet-contracts` uses [weightV2][weight] t
 Gas = Weight = (refTime, proofSize)
 :::
 
-Note: Currently Astar only charge for refTime (execution time). ProofSize is a threshold (with a max value epr block) to prevents form PoV attack.
-
 [Transaction Weight in Substrate Documentation][weight]
 
 ## Storage Rent
@@ -151,4 +149,4 @@ The caller will get balance repatriated (and not the user that was first charged
 
 It will not have rent fees because it will not store new data on-chain (only updating value).
 
-[weight]: https://docs.substrate.io/reference/how-to-guides/weights/
+[weight]: https://docs.substrate.io/reference/how-to-guides/weights/