Deleted redundant files

Author: phecke

powerapps-docs/developer/common-data-service/TOC.yml

@@ -335,14 +335,6 @@
         href: create-patches-simplify-solution-updates.md
       - name: When to edit the customizations file
         href: when-edit-customization-file.md
-  - name: Build tools for Azure DevOps 
-    items:
-    - name: Overview
-      href: build-tools-overview.md
-    - name: Tasks
-      href: build-tools-tasks.md
-    - name: Tutorial and FAQ
-      href: build-tools-tutorial-faq.md
   - name: SolutionPackager tool
     href: compress-extract-solution-file-solutionpackager.md
     items: