Rococo AH: undeploy trie migration (#4414)
The state-trie migration is completed on Rococo Asset-Hub as double-checked [here](https://github.com/paritytech/polkadot-sdk/issues/4174#issuecomment-2097895275 ). Undeploying now. --------- Signed-off-by: Oliver Tale-Yazdi <[email protected]>