Remove external/rust/crates/libz-sys/.gitmodules. am: c1ff7308ad am: 15b505efdc am: 69b178104a am: d3be95ed51 am: 7790eec89a Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/libz-sys/+/1830388 Change-Id: I9abac14a9241a091e8313f0b3591133c2bf0888e