fix: suppression indicateur save redondant dans toolbar (existait déjà)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

memento-note/components/note-editor/note-editor-toolbar.tsx

@@ -1,6 +1,6 @@
 'use client'
 
-import { useState, useRef, useCallback, useEffect } from 'react'
+import { useState, useRef, useCallback } from 'react'
 import { useNoteEditorContext } from './note-editor-context'
 import { LabelManager } from '@/components/label-manager'
 import { LabelBadge } from '@/components/label-badge'
@@ -46,22 +46,6 @@ export function NoteEditorToolbar({ mode, onClose, onToggleAttachments, attachme
   const [isConverting, setIsConverting] = useState(false)
   const [shareOpen, setShareOpen] = useState(false)
   const [flashcardsOpen, setFlashcardsOpen] = useState(false)
-  const [relativeTime, setRelativeTime] = useState<string | null>(null)
-
-  // Mise à jour du temps relatif depuis la dernière sauvegarde
-  useEffect(() => {
-    if (!state.lastSavedAt) { setRelativeTime(null); return }
-    const update = () => {
-      const secs = Math.floor((Date.now() - state.lastSavedAt!.getTime()) / 1000)
-      if (secs < 10) setRelativeTime(t('notes.savedJustNow') || 'Sauvegardé')
-      else if (secs < 60) setRelativeTime(`${secs}s`)
-      else setRelativeTime(`${Math.floor(secs / 60)}min`)
-    }
-    update()
-    const interval = setInterval(update, 10000)
-    return () => clearInterval(interval)
-  }, [state.lastSavedAt, t])
-
   const notebookName = notebooks.find(nb => nb.id === note.notebookId)?.name || null
 
   const undoSnapshotRef = useRef<{ content: string; isMarkdown: boolean } | null>(null)
@@ -310,18 +294,6 @@ export function NoteEditorToolbar({ mode, onClose, onToggleAttachments, attachme
 
           {!readOnly && (
             <div className="flex items-center gap-1.5">
-              {/* Indicateur dernière sauvegarde */}
-              {!state.isDirty && relativeTime && !state.isSaving && (
-                <span className="hidden sm:flex items-center gap-1 text-[10px] text-concrete/70 font-medium select-none">
-                  <Check size={10} className="text-emerald-500" />
-                  {relativeTime}
-                </span>
-              )}
-              {state.isDirty && !state.isSaving && (
-                <span className="hidden sm:block text-[10px] text-amber-500 font-medium select-none">
-                  {t('notes.unsaved') || '●'}
-                </span>
-              )}
               <button
                 title={state.isDirty ? t('notes.saveNow') : t('notes.noModification')}
                 aria-label={state.isDirty ? t('notes.saveNoteAria') : t('notes.noChangesToSaveAria')}