fix: remove docker login (#701)

Author: barnabasbusa

.github/workflows/nightly.yml

@@ -24,11 +24,6 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Setup Kurtosis
@@ -57,11 +52,6 @@ jobs:
   assertoor-mix-assert:
     runs-on: ubuntu-latest
     steps:
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Extract branch name

.github/workflows/per-pr.yml

@@ -11,11 +11,6 @@ jobs:
   run_starlark:
     runs-on: ubuntu-latest
     steps:
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Setup Kurtosis
@@ -27,7 +22,6 @@ jobs:
 
       - name: Run Starlark
         run: |
-          docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
           kurtosis run ${{ github.workspace }} --args-file network_params.yaml
 
   run_with_args:
@@ -45,11 +39,6 @@ jobs:
           ]
     runs-on: ubuntu-latest
     steps:
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Setup Kurtosis
@@ -61,7 +50,6 @@ jobs:
 
       - name: Run Starlark
         run: |
-          docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
           kurtosis run ${{ github.workspace }} --args-file ${{ matrix.file_name }}
 
   lint:
@@ -83,11 +71,6 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Checkout Repository
         uses: actions/checkout@v4
       - name: Kurtosis Assertoor GitHub Action