Remove lang and date metadata from files

It will be parsed from the path from now on

Remove lang and date metadata from files
11d5bf42 · Nik | Klampfradler · baa681ac · 11d5bf42 · 11d5bf42 · 11d5bf42
Verified Commit 11d5bf42 authored 3 years ago by Nik | Klampfradler
--- a/content/posts/de/2021-11-21_cwa-kinder.md
+++ b/content/posts/de/2021-11-21_cwa-kinder.md
 ---
 Title: Empfehlung zur Nutzung der Corona-Warn-App auch für Kinder
 Author: Dominik George
-Lang: de
 Summary: Die Corona-Warn-App zur Kontaktverfolgung ist ein effektives und datenschutzfreundliches Werkzeug, das auch von Kindern genutzt werden darf und sollte.
 ---


--- a/content/posts/en/2018-01-28_comic-zum-thema-schutzranzen.html
+++ b/content/posts/en/2018-01-28_comic-zum-thema-schutzranzen.html
 <html>
  <head>
    <title>Cartoon about „Schutzranzen“</title>
-    <meta name='date' content='2018-01-28' />
    <meta name='authors' content='Dominik George' />
    <meta name='summary' content='Our 11 year-old member Tobias Breitbach created a sceptical cartoon about the SchutzRanzen project, making it a topic in his German class.' />
-    <meta name='lang' content='en' />
  </head>
  <body>
 <html>

--- a/content/posts/en/2018-05-02_ergebnisse-schuelerumfrage-nutzung-sozialer-medien-2018.html
+++ b/content/posts/en/2018-05-02_ergebnisse-schuelerumfrage-nutzung-sozialer-medien-2018.html
 <html>
  <head>
    <title>Results of student survey about social media usage 2018</title>
-    <meta name='date' content='2018-05-02' />
    <meta name='authors' content='Tim Jonathan Valentin' />
    <meta name='summary' content='During spring 2018, Teckids e.V. conducted a survey among 574 students, asking for their use of social media. It was designed by 13 year-old Niels Hradek and 14 year-old Philipp Stahl, conducted by many children in their schools and classes, and evaluated mainly by 11 year-old Tim Valentin.' />
-    <meta name='lang' content='en' />
  </head>
  <body>
 <html>

--- a/content/posts/en/2019-03-04_dienstausfall-vom-2-bis-4-maerz.html
+++ b/content/posts/en/2019-03-04_dienstausfall-vom-2-bis-4-maerz.html
 <html>
  <head>
    <title>Service outage from 2nd to 4th of March</title>
-    <meta name='date' content='2019-03-04' />
    <meta name='authors' content='Dominik George' />
    <meta name='summary' content='Unfortunately, we had a major service outage for just a bit more than two days due to a hardware failure and too strict security schemes ;).' />
-    <meta name='lang' content='en' />
  </head>
  <body>
 <html>

--- a/content/posts/en/2019-05-07_chemnitzer-linuxtage-2019.html
+++ b/content/posts/en/2019-05-07_chemnitzer-linuxtage-2019.html
 <html>
  <head>
    <title>Chemnitzer Linuxtage 2019</title>
-    <meta name='date' content='2019-05-07' />
    <meta name='authors' content='Anna Weichelt' />
    <meta name='summary' content='On 16th and 17th March a team of Teckids e.V. was at the Chemnitzer Linux-Tage (Chmenitz Linux Days). We represented Teckids at the schul-frei booth, held one lecture about free software for schools and offered a workshop for children.  ' />
-    <meta name='lang' content='en' />
  </head>
  <body>
 <html>