Installation of project dependencies guide migrated to uv

Removed PyCharm guide due to it containing the poetry plugin and there
isn't a direct alternative to that besides just creating a virtual
environment from uv and using that in PyCharm

Author: Xithrius

pydis_site/apps/content/resources/guides/pydis-guides/contributing/installing-project-dependencies.md

@@ -22,20 +22,8 @@ You should have already cloned your fork as described in [**Cloning a Repository
 ---
 
 ```shell
-$ poetry install
-$ poetry run task precommit
+$ uv sync
+$ uv run task precommit
 ```
 
 ---
-
-## Installing dependencies with PyCharm
-
-1. Load up your project in PyCharm.
-2. Go to the Project Settings by clicking `File`, then `Settings...`. Alternatively, use the shortcut key: `Ctrl+Alt+S` (`command+comma` on Mac OS).
-3. Install the [poetry plugin](https://plugins.jetbrains.com/plugin/14307-poetry).
-4. Navigate to `Project Interpreter`, then click the gear icon and click `Add`.<br/>
-   ![PyCharm Interpreter Settings](/static/images/content/contributing/pycharm_interpreter.png)<br/>
-5. Click `Poetry Environment`, then click `OK`.<br/>
-   ![PyCharm Poetry Environment](/static/images/content/contributing/pycharm_poetry.png)<br/>
-6. PyCharm will automatically install the packages required into a virtual environment.<br/>
-   ![PyCharm Project Interpreter](/static/images/content/contributing/pycharm_poetry_success.png)