fix(drone): streamline PM2 command execution in deployment script

- Simplified the PM2 command handling in the .drone.yml file by removing unnecessary subshells and directly executing commands.
- This change enhances the clarity and efficiency of the deployment process for the nuxt4-demo application.

.drone.yml

@@ -75,11 +75,6 @@ steps:
         rm -rf "$UNZIP_DIR"
         mkdir -p "$UNZIP_DIR"
         tar -xzf "$REPO_DIR/build-output.tar.gz" -C "$UNZIP_DIR"
-      - |
-        set -e
-        cd "$UNZIP_DIR"
-        source ~/.nvm/nvm.sh
-        nvm use 24.15.0
-        'pm2 stop nuxt4-demo || true'
-        'pm2 delete nuxt4-demo || true'
-        'pm2 start ./run.sh --name nuxt4-demo'
+      - pm2 stop nuxt4-demo || true
+      - pm2 delete nuxt4-demo || true
+      - pm2 start ./run.sh --name nuxt4-demo