remove contributing section from README.md, add cargo audit on Contri…

…buting.md

Contributing.md

@@ -35,6 +35,16 @@ you can run the basic CI checks in your local environment:
 
   Learn more [here](https://nexte.st).
 
+
+- `cargo audit`
+
+  This is a tool to check Cargo.lock files for crates containing security vulnerabilities.
+
+  ```bash
+  cargo install --locked cargo-audit
+  ```
+  Learn more [here](https://docs.rs/cargo-audit/latest/cargo_audit/).
+
 - Functional test runner
 
   For dependencies required to run functional tests, see instructions in its [`README.md`](./functional-tests/README.md).

README.md

@@ -87,52 +87,3 @@ Start CL Client/Sequencer
 cargo run --bin alpen-express-sequencer -- --config config.toml
 ```
 
-## Contribution Guidelines
-
-### Development Tools
-
-Please install the following tools in your development environment to make sure that
-you can run the basic CI checks in your local environment:
-
-- `taplo`
-
-  This is a tool that is used to lint and format `TOML` files. You can install it with:
-
-  ```bash
-  brew install taplo
-  ```
-
-  You can learn more [here](https://taplo.tamasfe.dev/cli/installation/binary.html).
-
-- `codespell`
-
-  This is a tool that is used to check for common misspellings in code. You can install it with:
-
-  ```bash
-  pip install codespell # or `pip3 install codespell`
-  ```
-
-  You can learn more [here](https://github.com/codespell-project/codespell).
-
-- `nextest`
-
-  This is a modern test runner for Rust. You can install it with:
-
-  ```bash
-  cargo install --locked nextest
-  ```
-
-  Learn more [here](https://nexte.st).
-
-- Functional test runner
-
-  For dependencies required to run functional tests, see instructions in its [`README.md`](./functional-tests/README.md).
-
-### Before Creating a PR
-
-Before you create a PR, make sure that all the required CI checks pass locally.
-For your convenience, a `Makefile` recipe has been created which you can run via:
-
-```bash
-make pr # `make` should already be installed in most systems
-```