chore: fixups to remove ruby

Signed-off-by: Sam Gammon <[email protected]>

Author: sgammon

Writerside/topics/GettingStarted.md

@@ -32,16 +32,6 @@ the primary language via the source file's extension (`.js` will load a JS VM, `
    Exiting session. Have a great day! 👋
    ```
 
-3. Now let's do the same thing, but with some [](Ruby.md)
-
-   ```bash
-    elide run --ruby -c 'puts "Hello!"'
-   ```
-   ```Console
-   Hello!
-   Exiting session. Have a great day! 👋
-   ```
-
 > **Language Selection**
 >
 > %product% can run multiple languages at once. Your primary language selection only affects how your entrypoint script
@@ -64,11 +54,6 @@ elide
 elide python
 ```
 
-**Open a Ruby console:**
-```Console
-elide ruby
-```
-
 > **Exiting the REPL**
 >
 > You can use <shortcut>Ctrl+D</shortcut> or <shortcut>Ctrl+C</shortcut> twice to exit the interactive session.

Writerside/topics/Installation.md

@@ -91,7 +91,7 @@ docker run --rm -it ghcr.io/elide-dev/elide
 
 ## Continuous Integration
 
-%product% ships a GitHub action at [`elide-dev/setup-elide`](https://github.com/elide-dev/setup-elide):
+%product% ships a [GitHub action](https://github.com/marketplace/actions/setup-elide):
 
 ```yaml
   - name: "Setup: Elide"