Killed a bunch of unconnected path nodes that the validator complained about

Edits the following exterior cells:
Aanthirin Region (7, -28)
Almas Thirr (6, -28)
Almas Thirr (5, -28)
Coronati Basin Region (3, -35)

and the following interior cells:
Almas Thirr, Nelos Llothri's House
Almas Thirr, Temple
Firewatch, Uriel Sewers
Forlorn Shipwreck, Upper Level
Haddut Cave
Hlan Oek, Idera Bethendas: Slave Merchant
Hlan Oek, Temple
Hlan Oek, Western Sewers
Nurgal, Athrys and Mim-Beeko's Shack
Odirnamus
Othrano, Upper Level
Raran Ancestral Tomb (also fixed some other minor pathgrid issues here)
TEM Princess Morgiah: Hold
TEM Saber of the Straits: Hold
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Ushaninmis