Remove head scripts (#428) (#429)

Co-authored-by: Felix <8057646+GoliathLabs@users.noreply.github.com>

_config.yml

@@ -225,13 +225,11 @@ defaults:
     values:
       layout: single
       author_profile: true
-head_scripts:
-  - https://code.jquery.com/jquery-3.7.1.min.js
 
 twitter:
   username: "freifunkMUC"
 
 # Custom headers
 webrick:
   headers:
-      Content-Security-Policy: default-src 'none'; script-src 'unsafe-eval' 'unsafe-inline' 'self'  ; connect-src 'self' firmware.ffmuc.net; img-src 'self' cdn.rawgit.com raw.githubusercontent.com ; style-src 'self' 'unsafe-inline' 'unsafe-eval' ;    media-src 'self' ; font-src 'self'; frame-src 'self';
+      Content-Security-Policy: default-src 'none'; script-src 'unsafe-eval' 'unsafe-inline' 'self'  ; connect-src 'self' firmware.ffmuc.net; img-src 'self' cdn.rawgit.com raw.githubusercontent.com ; style-src 'self' 'unsafe-inline' 'unsafe-eval' ;    media-src 'self' ; font-src 'self'; frame-src 'self';