fix: Remove invalid files from the nav

Signed-off-by: Adam Harvey <adaharve@cisco.com>

mkdocs.yml

@@ -66,12 +66,10 @@ nav:
           - Builtin Actions: 'features/software-templates/builtin-actions.md'
           - Writing Custom Actions: 'features/software-templates/writing-custom-actions.md'
           - Writing Custom Step Layouts: 'features/software-templates/writing-custom-step-layouts.md'
-          - Writing Templates (Legacy): 'features/software-templates/legacy.md'
-          - Migrating from v1alpha1 to v1beta2 templates: 'features/software-templates/migrating-from-v1alpha1-to-v1beta2.md'
+          - Migrating from v1beta2 to v1beta3 templates: 'features/software-templates/migrating-from-v1beta2-to-v2beta3.md'
       - Backstage Search:
           - Overview: 'features/search/README.md'
           - Getting Started: 'features/search/getting-started.md'
-          - Getting Started, configuring Backstage: 'features/search/configuration.md'
           - Concepts: 'features/search/concepts.md'
           - Search Architecture: 'features/search/architecture.md'
           - Search Engines: 'features/search/search-engines.md'
@@ -98,8 +96,6 @@ nav:
           - Locations: 'integrations/azure/locations.md'
           - Discovery: 'integrations/azure/discovery.md'
           - Org Data: 'integrations/azure/org.md'
-      - Bitbucket:
-          - Discovery: 'integrations/bitbucket/discovery.md'
       - Bitbucket Cloud:
           - Locations: 'integrations/bitbucketCloud/locations.md'
           - Discovery: 'integrations/bitbucketCloud/discovery.md'
@@ -209,6 +205,4 @@ nav:
       - ADR011 - Plugin Package Structure: 'architecture-decisions/adr011-plugin-package-structure.md'
       - ADR012 - Plugin Package Structure: 'architecture-decisions/adr012-use-luxon-locale-and-date-presets.md'
       - ADR013 - Plugin Package Structure: 'architecture-decisions/adr013-use-node-fetch.md'
-  - Support:
-      - Backstage Project Structure: 'support/project-structure.md'
   - FAQ: FAQ.md