update scanner ci : remove unused dockerhub login

Author: kulukami

.github/workflows/Elkeid_plugin_scanner_release.yml

@@ -16,11 +16,6 @@ jobs:
     - uses: actions/checkout@v4
       with:
           submodules: false
-    - name: Login to Docker Hub
-      uses: docker/login-action@v3
-      with:
-        password: ${{secrets.DOCKERHUB_TOKEN}}
-        username: ${{secrets.DOCKERHUB_USERNAME}}
 
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v3