clean up common mode choke page frontmatter

content/equipment/accessories/homebrew-common-mode-choke/index.md

@@ -4,20 +4,11 @@ summary: |
   A simple and quite tiny common mode choke that I built for my
   portable operations.
 date: 2023-10-26T13:36:26+02:00
-lastmod: 2024-03-10T14:29:59+0000
-#categories:
-#- amateur-radio
-#- computerstuff
-#tags:
+lastmod: 2024-03-17T19:21:07+0000
 
 showBreadcrumbs: true
-# showDate: false
 showReadingTime: false
 showWordCount: false
-# showPagination: false
-
-# feed_exclude: true
-# site_exclude: true
 
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