Remove outdated paragraph on constraints on the setuptools version

README.md

@@ -129,26 +129,6 @@ Or you can specify the version you want to install from the listed versions with
 curl -sSL https://install.python-poetry.org | python3 - --version 1.2.0
 ```
 
-Before installing the API's dependencies, check the version of `setuptools`:
-
-```bash
-poetry run pip list | grep setuptools
-```
-
-If a version < 58.0.0 is not being used, changes need to be made so that a suitable
-version is being used. This is because Python ICAT uses `2to3` when building itself to
-ensure Python 3 import statements are used when using Python 3. 58.0.0 of setuptools
-[removes support of this tool during builds](https://setuptools.pypa.io/en/latest/history.html#v58-0-0).
-If a newer version of setuptools is used, you will likely face an error similar to
-what's described in
-[issue #99 of Python ICAT](https://github.com/icatproject/python-icat/issues/99). To use
-a supported version, execute the following commands:
-
-```bash
-poetry run pip uninstall -y setuptools
-poetry run pip install 'setuptools<58.0.0'
-```
-
 The dependencies for this repo are stored in `pyproject.toml`, with a more detailed
 version of this data in `poetry.lock`. The lock file is used to maintain the exact
 versions of dependencies from system to system. To install the dependencies, execute the