fix(rust-libp2p): update required workflows (#105)

Update required rust-libp2p workflows to remove the stale interoperability tests. Addresses libp2p/test-plans#99 (comment)

Author: jxs

github/libp2p.yml

@@ -4309,9 +4309,6 @@ repositories:
             - Compile with select features (mdns tcp dns async-std)
             - Compile with select features (mdns tcp dns tokio)
             - IPFS Integration tests
-            - run-ping-interop-cross-implementation / Run a test with different
-              versions
-            - run-ping-interop-cross-version / Run a test with different versions
             - rustfmt
             - Test libp2p-autonat
             - Test libp2p-core