First, you can edit your question instead of answering to it to add details.
Second, what you provided is not a seed as in BIP32 seed from which you get a master key and then can derive other keys from it.
This is a private key, as in the private key of a private-public key pair.
An answer to your question is the Bitcoin core implementation wallet allows ...
Since the LocalBitcoin wallet doesn't have a private key import function, you can't shorten the number of steps.
You can use Electrum, it's very popular and it has both "import" and "sweep" functions. If you don't want to trust it (I do trust it, unless the computer has malware) you can use it on an airgapped computer.
That's all you need ...