remove other pr stuff

Author: kmurphypolygon

docs/cdk/getting-started/cdk-cli-tool.md

@@ -57,7 +57,6 @@ nav:
         - Version compatibility matrix: cdk/version-matrix.md
       - Get started: 
         - Local deployment guide: cdk/getting-started/local-deployment.md
-        - CLI tool: cdk/getting-started/cdk-cli-tool.md
       - Concepts:
         - Layer 2s: cdk/concepts/layer2s.md
         - L2 architecture overview: cdk/concepts/architecture.md