[lua] Cleanup teleport NPC scripts, reduce Kinetic Units costs

[sruon]

I affirm:

• I understand that if I do not agree to the following points by completing the checkboxes my PR will be ignored.
• I understand I should leave resolving conversations to the LandSandBoat team so that reviewers won't miss what was said.
• I have read and understood the Contributing Guide and the Code of Conduct.
• I have tested my code and the things my code has changed since the last commit in the PR and will test after any later commits.

What does this pull request do?

• Noticed the wikis are way off on Kinetic Unit costs for some reason.
• Added a check to make sure Sharin-Garin doesn't sell Runic Portal permits when the Astral Candescence is gone
• Little bit of cleanup here and there

Steps to test these changes