chore: remove publish to docker.io/tigerdata for now

Signed-off-by: Matthew Peveler <mpeveler@tigerdata.com>

Author: MasterOdin

.github/workflows/publish-docker-images.yaml

@@ -23,7 +23,6 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: |
-            docker.io/tigerdata/tiger-memory-mcp
             docker.io/timescale/tiger-memory-mcp
             ghcr.io/timescale/tiger-memory-mcp
           tags: |