refactor: stop using private pypi (#132)

* refactor: stop using private pypi

This was required because our repos were not public. Now that they are, people can directly access our Python packages and therefore they don't need access to our private codeartifact anymore

* docs: add a list of dependencies in the readme and early check in the setup env script

---------

Co-authored-by: zizou <111426680+flopell@users.noreply.github.com>

testing/README.md

@@ -36,21 +36,22 @@ The script to generate this file manually is available under `evm/scripts/buildR
 
 ## Setup testing environment
 
-### Step 1: Export Environment Variables
+## Prerequisites
 
-**DOMAIN_OWNER**
+Before setting up the Python environment, ensure the following tools and libraries are installed on your system:
 
-- **Description**: The domain owner identifier for Propellerhead's AWS account, used for authenticating on the private
-  PyPI repository.
-- **Example**: `export DOMAIN_OWNER=123456789`
+- **Git**: Version control tool (https://git-scm.com/)
+- **Rust**: Programming language and toolchain (https://www.rust-lang.org/)
+- **GCC**: GNU Compiler Collection (https://gcc.gnu.org/)
+- **libpq**: PostgreSQL client library (https://www.postgresql.org/docs/9.5/libpq.html)
+- **OpenSSL (libssl)**: OpenSSL development library (https://github.com/openssl/openssl)
+- **pkg-config**: Helper tool for managing compiler flags (https://www.freedesktop.org/wiki/Software/pkg-config/)
+- **Conda**: Python package manager (https://docs.conda.io/en/latest/)
+- **pip**: Python package installer (https://pip.pypa.io/)
 
-### Step 2: Create python virtual environment for testing
-
-Run setup env script. It will create a conda virtual env and install all dependencies.
+Run the setup env script. It will create a conda virtual env and install all dependencies.
 This script must be run from within the `tycho-protocol-sdk/testing` directory.
 
-Please note that some dependencies require access to our private PyPI repository.
-
 ```
 setup_env.sh
 ```