Replace obsolete @compile-error expectations by static errors

[sgrekhov]

Replace obsolete @compile-error and @static-warning expectations by static error expectations in all co19 tests

[sgrekhov]

@athomas should this issue affect co19_2 as well?

[athomas]

Depends on how much work it is. If we can do this easily co19_2 as well, we should do this.