Remove commented-out Docker registry credentials from release pipeline

Author: avarabyeu

.github/workflows/release.yml

@@ -62,6 +62,4 @@ jobs:
           args: release --clean
         env:
           REPOSITORY_NAME: reportportal/mcp-server # Docker repository name
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # GitHub token for authentication
-#          DOCKER_USERNAME: ${{ secrets.REGESTRY_USERNAME }} # Docker registry username
-#          DOCKER_PASSWORD: ${{ secrets.REGESTRY_PASSWORD }} # Docker registry password
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # GitHub token for authentication