Revert "Testing breadcrumb update"

This reverts commit d7a84af.

Author: alvinashcraft

hub/breadcrumbs/toc.yml

@@ -6,9 +6,3 @@
     - name: App development
       tocHref: /windows/apps/
       topicHref: /windows/apps/index
-    - name: Developer environment
-      tocHref: /windows/dev-environment/
-      topicHref: /windows/dev-environment/index
-      - name: PowerToys
-        # Topic in dev-environment TOC
-        topicHref: /windows/powertoys/index