Fix run-pass/foreign-mod.rc

[emberian]

[emberian]

Visiting for triage, nothing to add

[thestinger]

Still marked as xfail.

[alexcrichton]

This test is so old and uses such ancient syntax, I think that the meaning of what it's meant to be testing may have been lost and it may just need to get removed entirely.

[flaper87]

This test was deleted as part of 9cc26cf