ice.4: Avoid first person language

Approved by: re (cperciva)
Approved by: ziaee
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D52896

(cherry picked from commit 85531add28443e4202632fedcb3ae6038d4acb0c)
(cherry picked from commit 0ee1546565d774639a19623d87ff3bcebac13724)