docs: fix metadata (#181)

Author: AriPerkkio

docs/tutorialkit.dev/src/content/docs/reference/configuration.mdx

@@ -162,7 +162,7 @@ terminal:
     - type: terminal
       id: 'cmds'
       title: 'Command Line'
-      allowRedirects: true,
+      allowRedirects: true
       allowCommands:
         - ls
         - echo