Anchorage water height fix

[Baddweapon1116]

Update with more fixes:

(UPDATE 1/1) [Freeware] Alaska water height fix: Anchorage and Southern National Parks

UPDATE 1/1 v1.2: Fixes conflict with new default terrain around Kantishna Airport and removes some redundant fixes UPDATE 9/2: Updated more areas in Wrangell-St. Elias and around Anchorage. UPDATE 8/26: Now Includes Wrangell-St. Elias National Park and Glacier National Park. Glacier National was surprisingly issue free for the most part. Expanded on the fixes I made around Anchorage by fixing any extreme water height issues I could find in the following National Parks: Denali, Lake Clark, Kat…