Merge pull request #150 from phpugmrn/feature/social_links

Update social links

Author: shochdoerfer

docusaurus.config.js

@@ -77,16 +77,9 @@ const config = {
                 href: 'https://www.meetup.com/de-DE/PHPUG-Rhein-Neckar/',
               },
               {
-                label: 'Twitter',
-                href: 'https://twitter.com/phpugmrn',
-              },              {
                 label: 'Mastodon',
                 href: 'https://phpc.social/@phpugmrn',
               },
-              {
-                label: '#phpugmrn PHP UG Slack',
-                href: 'https://phpug.slack.com/',
-              },
             ],
           },
           {