Remove publish api docs CI

.github/workflows/publish_api_docs.yml

@@ -1,43 +0,0 @@
-name: Update API docs
-
-on:
-  # Scheduled events for nightly API docs
-  schedule:
-    # UTC 00:00 everyday
-    - cron: "0 0 * * *"
-  # Events for API docs of new release
-  push:
-    branches:
-      - main
-    paths:
-      - VERSION
-
-jobs:
-  build_and_upload:
-    runs-on: ubuntu-latest
-    timeout-minutes: 15
-    container: asterinas/asterinas:0.6.2
-
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          repository: 'asterinas/asterinas'
-          path: 'asterinas'
-
-      - name: Build & Upload Nightly API Docs
-        if: github.event_name == 'schedule'
-        env:
-          API_DOCS_NIGHTLY_PUBLISH_KEY: ${{ secrets.API_DOCS_NIGHTLY_PUBLISH_KEY }}
-        run: |
-          KEY_FILE=./api_docs_nightly_publish_key
-          echo "$API_DOCS_NIGHTLY_PUBLISH_KEY\n" > ${KEY_FILE}
-          bash asterinas/tools/github_workflows/build_and_upload_api_docs.sh nightly ${KEY_FILE} 
-
-      - name: Build & Upload Release API Docs
-        if: github.event_name == 'push'
-        env:
-          API_DOCS_PUBLISH_KEY: ${{ secrets.API_DOCS_PUBLISH_KEY }}
-        run: |
-          KEY_FILE=./api_docs_publish_key
-          echo "$API_DOCS_PUBLISH_KEY\n" > ${KEY_FILE}
-          bash asterinas/tools/github_workflows/build_and_upload_api_docs.sh release ${KEY_FILE} 

docs/src/ostd/README.md

@@ -39,9 +39,7 @@ To explore how these APIs come into play,
 see [the example of a 100-line kernel in safe Rust](a-100-line-kernel.md).
 
 The OSTD APIs have been extensively documented.
-You can access the comprehensive API documentation for each release by visiting the [API docs](https://asterinas.github.io/api-docs).
+You can access the comprehensive API documentation by visiting the [docs.rs](https://docs.rs/ostd/latest/ostd).
-Additionally, you can refer to the latest nightly version API documentation at [API docs nightly](https://asterinas.github.io/api-docs-nightly),
-which remains in sync with the latest changes in the main branch.
 
 ## Four Requirements Satisfied