Fix linebreaks in code

Co-authored-by: Pierre-André Boissinot <pierreandre.boissinot@noesya.coop>

app/services/static/code.rb

@@ -4,7 +4,7 @@ class Static::Code < Static::Default
     unless @prepared
       @prepared = @text.to_s.dup
       @prepared = lazy_load_iframes @prepared
-      @prepared = turn_linebreak_to_br @prepared
+      @prepared = remove_linebreak @prepared
       @prepared = raw @prepared
     end
     @prepared

app/services/static/default.rb

@@ -40,4 +40,11 @@ class Static::Default
     text
   end
 
+  def remove_linebreak(text)
+    text.gsub! "\r\n", ""
+    text.gsub! "\r", ""
+    text.gsub! "\n", ""
+    text
+  end
+
 end