fix(trad): Remove useless entries

app/components/editable_champ/champ_label_content_component/champ_label_content_component.en.yml

@@ -3,5 +3,4 @@ en:
   changes_to_save: "modifications to submit"
   modified_at: "modified on %{datetime}"
   check_content_rebased: "Information: field updated by administration. Check its content."
-  optional_champ: (optional)
   recommended_size: The recommended maximum size is %{size} characters.

app/components/editable_champ/champ_label_content_component/champ_label_content_component.fr.yml

@@ -3,5 +3,4 @@ fr:
   changes_to_save: "modification à déposer"
   modified_at: "modifié le %{datetime}"
   check_content_rebased: "Information : champ actualisé par l'administration. Vérifier son contenu."
-  optional_champ: (facultatif)
   recommended_size: La taille maximale conseillée est de %{size} caractères.

app/components/editable_champ/champ_label_content_component/champ_label_content_component.html.haml

@@ -10,7 +10,6 @@
   %span.updated-at{ class: highlight_if_unseen_class }
     = t('.modified_at', datetime: try_format_datetime(@champ.updated_at))
 
-
 - if @champ.rebased_at.present? && @champ.rebased_at > (@seen_at || @champ.updated_at) && current_user.owns_or_invite?(@champ.dossier)
   %span.updated-at.highlighted
     = t('.check_content_rebased')