Remove content security policy for etherpad

src/freedombone-app-etherpad

@@ -589,6 +589,9 @@ function install_etherpad {
       echo '  }';
       echo '}'; } >> "$etherpad_nginx_site"
 
+    # remove content security policy which prevents teh pad from running
+    sed -i '/Content-Security-Policy/d' "$etherpad_nginx_site"
+
     increment_app_install_progress
 
     function_check create_site_certificate