Update cliffs in quest_001

[wjt]

These scenes still use the old tiles/elevation.tres:

• scenes/quests/lore_quests/quest_001/2_ink_combat/ink_combat_round_2.tscn
• scenes/quests/lore_quests/quest_001/2_ink_combat/ink_combat_round_3.tscn

Update them to tiles/elevation_2.tres as described in #1940.

XP Summary (total 225)

Subdomain	Skill	XP
Game Design: Core Gameplay & Mechanics	Problem Solving	75
Game Design: Core Gameplay & Mechanics	Creativity & Design Thinking	75
Game Design: Core Gameplay & Mechanics	Technical Literacy	75