HoDoKu Simple Color Trap

Simple Color Trap: C9-2, D2-2, E5-2, H8-2, C5-2, D4-2, G9-2, H2-2 on 2

Coloring is a unary (single value) forcing chain of regions with two places for 2, so 2 must either be in the greens or the blues. Hence any 2 that sees two colored 2's is history:

Therefore we can remove H3-2.