[CI] Try again to decrypt deploy key

.github/workflows/main.yml

@@ -112,7 +112,7 @@ jobs:
       - name: Decrypt deploy SSH key
         env:
           CTDEPLOY_PASS: ${{ secrets.CTDEPLOY_PASS }}
-        run: openssl aes-256-cbc -k "${CTDEPLOY_PASS}" -in ./doc/ctdeploy_key.enc -out ./doc/ctdeploy_key -d
+        run: gpg --passphrase "${CTDEPLOY_PASS}" --batch -o ./doc/ctdeploy_key -d ./doc/ctdeploy_key.gpg
       - name: Chmod the deploy key
         run: chmod 0600 ./doc/ctdeploy_key
       - name: Upload the docs
@@ -125,17 +125,6 @@ jobs:
           DOCS_OUTPUT_DIR: "./build/docs/"
         run: rsync "${RSYNC_OPTIONS}" --dry-run "${DOCS_OUTPUT_DIR}" ${RSYNC_USER}@${RSYNC_SERVER}:${RSYNC_DEST}
 
-  upload-docs:
-    if: github.event_name == 'push' && github.repository_owner == 'Cantera' && github.ref == 'master'
-    name: Upload the docs to the website
-    needs: [docs]
-    runs-on: ubuntu-latest
-    steps:
-      - name: Retrieve docs artifact
-        run: echo "Retrieve artifact"
-      - name: Upload the docs
-        run: echo "Upload docs"
-
   ubuntu-1604-py2:
     # Ubuntu 16.04 using Python 2 to run SCons and the system Python 3 for the interface
     name: Python 2 running SCons on Ubuntu 16.04