docs: simplify readme a bit

README.md

@@ -36,7 +36,7 @@
 To use this package in your project, you can install it by running
 
 ```bash
-poetry add git+https://github.com/emma-simbot/datasets#main
+poetry add git+https://github.com/emma-simbot/datasets.git
 ```
 
 You can then just import from `emma_datasets` or run commands using the CLI with
@@ -45,13 +45,6 @@ You can then just import from `emma_datasets` or run commands using the CLI with
 python -m emma_datasets
 ```
 
-<details>
-  <summary> Why does this install the main branch and not the most-stable version?</summary>
-  <br />
-If you are using Poetry, this command will currently install from the main branch and not the latest released version. The `#main` suffix can be removed once [this issue in Poetry](https://github.com/python-poetry/poetry/issues/5152) is fixed.
-
-  </details>
-
 ## Writing code and running things
 
 When running commands for `emma_datasets`, you can append `--help` to get more information on the commands and any arguments available to you.