chore: remove trailing newlines in data fixes

internal/database/fixes/20260526_episode_availability_backfill_next_refresh_at.go

@@ -25,4 +25,3 @@ WHERE next_refresh_at IS NULL;
 		},
 	})
 }
-

internal/database/fixes/registry.go

@@ -22,4 +22,3 @@ func All() []Fix {
 	sort.Slice(out, func(i, j int) bool { return out[i].ID < out[j].ID })
 	return out
 }
-