Alessandro Decina b3ae7786d3 aya: fix detaching links on drop
https://github.com/aya-rs/aya/pull/366 broke detaching links on drop for
everything but FdLink. This restores detach on drop for all links.
..
bpf integration-test: Remove multimap C test
map_test.rs test: Replace RTF with Rust
name_test.rs test: Replace RTF with Rust
pass.rs test: Replace RTF with Rust
test.rs aya: fix detaching links on drop