lrc: remove codec saving

this is now detected by lrc codecmodel's state machine

Refs #77567

Change-Id: Ia85777798bcba6f7974fc9fd14ef8759696b9727
diff --git a/src/PreferencesVC.mm b/src/PreferencesVC.mm
index 9edb1a6..1f8e153 100644
--- a/src/PreferencesVC.mm
+++ b/src/PreferencesVC.mm
@@ -87,13 +87,6 @@
 
 - (void) close
 {
-    // first save codecs for each account
-    for (int i = 0 ; i < AccountModel::instance()->rowCount(); ++i) {
-        QModelIndex qIdx = AccountModel::instance()->index(i);
-        AccountModel::instance()->getAccountByModelIndex(qIdx)->codecModel()->save();
-    }
-
-    // then save accounts
     AccountModel::instance()->save();
 
     CGRect frame = CGRectOffset(self.view.frame, 0, -self.view.frame.size.height);