docs: update instructions

Author: jamesgeorge007

README.md

@@ -10,8 +10,6 @@ Updates `README.md` with the recent GitHub activity of a user.
 
 - Add the comment `<!--START_SECTION:activity-->` (entry point) within `README.md`. You can find an example [here](https://github.com/jamesgeorge007/jamesgeorge007/blob/master/README.md).
 
-- Create a [personal access token](https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token) with `repo` scope and store it as a [secret](https://docs.github.com/en/actions/configuring-and-managing-workflows/creating-and-storing-encrypted-secrets) with the name **GH_PAT** in the repo settings.
-
 - It's the time to create a workflow file.
 
 `.github/workflows/update-readme.yml`
@@ -32,8 +30,6 @@ jobs:
       - uses: jamesgeorge007/github-activity-readme@master
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GH_PAT: ${{ secrets.GH_PAT }}
-          GH_USERNAME: <username>
 ```
 
 The above job runs every half an hour, you can change it as you wish based on the [cron syntax](https://jasonet.co/posts/scheduled-actions/#the-cron-syntax).