Remove redundant completion explanation from user-stat.html

Co-authored-by: mathieumoran1 <[email protected]>

public/user-stat.html

@@ -141,7 +141,6 @@
     <!-- 100% completers tab -->
     <div class="tab-pane fade" id="pane-completion" role="tabpanel" aria-labelledby="tab-completion" tabindex="0">
       <h4 class="mb-2">Utilisateurs ayant terminé 100% (par année)</h4>
-      <div class="text-muted mb-2">Completion = 100% pour l’année (tous les films de l’année vus).</div>
       <div class="table-responsive mb-4">
         <table class="table table-sm table-striped align-middle mb-0">
           <thead>