Revert "cmd/go: temporarily skip TestScript/test_fuzz_minimize"
Revert "cmd/go: temporarily skip TestScript/test_fuzz_minimize"

This reverts CL 365315.

Reason for revert: test may have been fixed by intervening changes.

Change-Id: I110948d53a789527edf471f1637eadbd98a1fc5a
Reviewed-on: https://go-review.googlesource.com/c/go/+/366074
Trust: Bryan C. Mills <1c8aad60184261ccede67f5c63a0d2a3bf3c9ff4@google.com>
Trust: Katie Hockman <e321a8fd89c4908465ddaf8d5d0d62480efacb63@golang.org>
Run-TryBot: Bryan C. Mills <1c8aad60184261ccede67f5c63a0d2a3bf3c9ff4@google.com>
TryBot-Result: Go Bot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Katie Hockman <e321a8fd89c4908465ddaf8d5d0d62480efacb63@golang.org>

golang/go,CAFxX/go,cloudflare/go,cloudflare/go,golang/go,CAFxX/go,cloudflare/go,nawawi/go,cloudflare/go,golang/go,nawawi/go,golang/go,golang/go,nawawi/go,CAFxX/go,cloudflare/go,cloudflare/go,golang/go,cloudflare/go,nawawi/go,golang/go,CAFxX/go,nawawi/go,CAFxX/go,golang/go,cloudflare/go,nawawi/go,CAFxX/go,nawawi/go,nawawi/go,CAFxX/go,CAFxX/go