improve Rineval prompts to be more in line with live.

[martinlindhe]

This is related to #1346.

Please note that one of these prompts are bugged, and the same is true on live.

This PR implements the observations from the end of this zam comment: https://everquest.allakhazam.com/db/npc.html?id=6481#m1376551132191625559

(You can actually say "(Anyone) told me" for this prompt and she will reply, so saying "Karn told me" as the guide states will work, or just "told me.")

[martinlindhe]

Dialogue from live, showing that "karn" is not a trigger word, but "told me" is the correct trigger.

In a perfect world, it would make more sense that the trigger word is "Kanthurn", but that also gives no response.

[Sat Jun 18 17:00:12 2022] You say, 'Hail, Rineval Talyas'
[Sat Jun 18 17:00:12 2022] Rineval Talyas says, 'Hello, XXX.''
[Sat Jun 18 17:00:16 2022] You say, 'scribe'
[Sat Jun 18 17:00:16 2022] Rineval Talyas looks at XXX strangely. 'Who told you this?'
[Sat Jun 18 17:00:18 2022] You say, 'karn'
[Sat Jun 18 17:00:20 2022] You say, 'karn told me'
[Sat Jun 18 17:00:21 2022] Rineval Talyas says, 'I see. If a scribe is what you seek, then bring me the torn books of fire and ice. A donation of 1000 platinum is needed as well. The donation will be offered as a blessing to the gods.''
[Sat Jun 18 17:00:22 2022] You say, 'told me'
[Sat Jun 18 17:00:22 2022] Rineval Talyas says, 'I see. If a scribe is what you seek, then bring me the torn books of fire and ice. A donation of 1000 platinum is needed as well. The donation will be offered as a blessing to the gods.''
[Sat Jun 18 17:00:28 2022] You say, 'Kanthurn'