Re-enable killing_cargo_releases_the_lock on windows.
Re-enable killing_cargo_releases_the_lock on windows.

AFAICT, we do not test on these older platforms anymore.
Regardless, the test seems to work fine on 32-bit windows-gnu
on Windows 10.

See https://github.com/rust-lang/cargo/pull/3102#issuecomment-260815269
where it was originally disabled.

rust-lang/cargo,rustyhorde/cargo,eminence/cargo,rustyhorde/cargo,nipunn1313/cargo,nipunn1313/cargo,rust-lang/cargo,rust-lang/cargo,eminence/cargo,rustyhorde/cargo,eminence/cargo,eminence/cargo,nipunn1313/cargo,rust-lang/cargo,nipunn1313/cargo,rustyhorde/cargo