fix(contact/footer): retire X (Twitter) et TikTok des contacts et du footer

- Supprime X et TikTok des JSON de contact (FR/EN)
- Retire les liens X et TikTok du footer
- Supprime les branches de rendu d'icônes X et TikTok dans contact.njk

src/_includes/partials/contact.njk

@@ -16,10 +16,6 @@
                     {% include "icons/whatsapp.svg" %}
                 {% elif 'telegram' in lname %}
                     {% include "icons/telegram.svg" %}
-                {% elif 'twitter' in lname or 'x (' in lname %}
-                    {% include "icons/x.svg" %}
-                {% elif 'tiktok' in lname %}
-                    {% include "icons/tiktok.svg" %}
                 {% elif 'discord' in lname %}
                     {% include "icons/discord.svg" %}
                 {% elif 'labola' in lname or 'gitea' in lname %}

src/_includes/partials/footer.njk

@@ -22,12 +22,6 @@
             <a href="https://t.me/OrganisationKA" target="_blank" rel="noopener noreferrer" title="Telegram" class="social-link">
                 {% include "icons/telegram.svg" %}
             </a>
-            <a href="https://x.com/OrganisationKA" target="_blank" rel="noopener noreferrer" title="X" class="social-link">
-                {% include "icons/x.svg" %}
-            </a>
-            <a href="https://www.tiktok.com/@organisationka" target="_blank" rel="noopener noreferrer" title="TikTok" class="social-link">
-                {% include "icons/tiktok.svg" %}
-            </a>
             <a href="https://discord.gg/DPvUCA8dD" target="_blank" rel="noopener noreferrer" title="Discord" class="social-link">
                 {% include "icons/discord.svg" %}
             </a>