fix: remove Docker build/run from Windows CI smoke test

BuildKit has no Windows image, so Linux Docker builds cannot work on
Windows runners. Remove Docker buildx setup, build, and image
verification steps. Docker builds are already tested by the Linux CI.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: JonZeolla

.github/workflows/ci.yml

@@ -221,8 +221,6 @@ jobs:
           }
 
           Write-Host "Windows smoke test passed: project generated and verified successfully"
-      - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v3
       - name: Initialize generated project
         shell: bash
         run: |
@@ -233,16 +231,6 @@ jobs:
         run: |
           cd "$RUNNER_TEMP/replace-me"
           task -v test
-      - name: Build Docker image
-        shell: bash
-        run: |
-          cd "$RUNNER_TEMP/replace-me"
-          task -v build
-      - name: Verify Docker image
-        shell: bash
-        run: |
-          docker run --rm --entrypoint python3 zenable-io/replace-me:latest \
-            -c "from replace_me import __version__; print(__version__)"
       - name: Verify zenable CLI
         shell: bash
         run: |