cmd/link: remove pointless assignment in SetSymAlign

This code path became useless after CL 231220.

Change-Id: I35c25368652eeb107350dcd9d1b283429ad3d5e4
Reviewed-on: https://go-review.googlesource.com/c/go/+/714500
Auto-Submit: Ian Lance Taylor <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: David Chase <[email protected]>
Reviewed-by: Cherry Mui <[email protected]>

Author: ianlancetaylor

src/cmd/link/internal/loader/loader.go

@@ -1351,9 +1351,6 @@ func (l *Loader) SetSymAlign(i Sym, align int32) {
 	if int(i) >= len(l.align) {
 		l.align = append(l.align, make([]uint8, l.NSym()-len(l.align))...)
 	}
-	if align == 0 {
-		l.align[i] = 0
-	}
 	l.align[i] = uint8(bits.Len32(uint32(align)))
 }