fix(docs): fixed some other errors in the documentation configuration

mkdocs.yml

@@ -3,7 +3,7 @@ site_url: !ENV [SITE_URL, 'https://seacogs.coastalcommits.com']
 repo_name: CoastalCommits
 repo_url: https://coastalcommits.com/SeaswimmerTheFsh/SeaCogs
 edit_uri: !ENV [EDIT_URI, 'src/branch/main/.docs']
-copyright: Copyright © 2024, SeaswimmerTheFsh
+copyright: Copyright © 2023-2024, SeaswimmerTheFsh
 docs_dir: .docs
 
 site_author: SeaswimmerTheFsh
@@ -17,7 +17,6 @@ nav:
     - Case Commands: aurora/case-commands.md
     - Configuration: aurora/configuration.md
   - Nerdify: nerdify.md
-  - UpdateChecker: updatechecker.md
 
 plugins:
   - git-authors