Revert "Add a simple docker verification before builing window image (#6677)"

This reverts commit 4856512. Now that
actions/runner-images#13729 is fixed we can
remove our workaround for it.

Signed-off-by: Sorin Dumitru <[email protected]>

Author: sorindumitru

.github/workflows/pr_build.yaml

@@ -208,8 +208,6 @@ jobs:
         with:
           path: ./bin/
           key: ${{ runner.os }}-executables-${{ github.sha }}
-      - name: Wait for Docker to be ready
-        run: pwsh ./.github/workflows/scripts/wait-for-docker-windows.ps1
       - name: Build images
         run: make images-windows
       - name: Export images
@@ -422,8 +420,6 @@ jobs:
         with:
           name: images-windows
           path: .
-      - name: Wait for Docker to be ready
-        run: pwsh ./.github/workflows/scripts/wait-for-docker-windows.ps1
       - name: Load archived images
         run: docker load -i images-windows.tar.gz
       - name: Run integration tests