remove git test from Rust
remove git test from Rust

* This should be part of the CI/CD
* This makes it (nearly) impossible to run an entire testsuite locally
  without unnecessary effort

Closes: #7045

libra/libra,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,libra/libra,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core