Remove mcp-publisher validate step (command not available)

Author: SoundBlaster

.github/workflows/publish-mcp.yml

@@ -53,9 +53,5 @@ jobs:
           echo "Publishing version: $VERSION"
           jq --arg v "$VERSION" '.version = $v | .packages[0].version = $v' server.json > server.tmp && mv server.tmp server.json
 
-      - name: Validate server.json
-        run: |
-          ./mcp-publisher validate server.json
-
       - name: Publish server to MCP Registry
         run: ./mcp-publisher publish