Deleted "Publishing A Release"

Deleted "Publishing A Release" section from the readme.md file in the 'ci' folder and then pasting the section in 'Maintaining.md'

Author: Prashant168

ci/README.md

@@ -10,27 +10,6 @@ Any file or directory in this subdirectory should be documented here.
 - [./ci/lib.sh](./lib.sh)
   - Contains code duplicated across these scripts.
 
-## Publishing a release
-
-1. Run `yarn release:prep` and type in the new version i.e. 3.8.1
-2. GitHub actions will generate the `npm-package`, `release-packages` and `release-images` artifacts.
-   1. You do not have to wait for these.
-3. Run `yarn release:github-draft` to create a GitHub draft release from the template with
-   the updated version.
-   1. Summarize the major changes in the release notes and link to the relevant issues.
-   2. Change the @ to target the version branch. Example: `v3.9.0 @ Target: v3.9.0`
-4. Wait for the artifacts in step 2 to build.
-5. Run `yarn release:github-assets` to download the `release-packages` artifact.
-   - It will upload them to the draft release.
-6. Run some basic sanity tests on one of the released packages.
-   - Especially make sure the terminal works fine.
-7. Publish the release and merge the PR.
-   1. CI will automatically grab the artifacts and then:
-      1. Publish the NPM package from `npm-package`.
-      2. Publish the Docker Hub image from `release-images`.
-8. Update the AUR package.
-   - Instructions on updating the AUR package are at [cdr/code-server-aur](https://github.com/cdr/code-server-aur).
-9. Wait for the npm package to be published.
 
 ## dev