Fix/cleanup

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -261,7 +261,6 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             BottomNavigationView.OnNavigationItemSelectedListener {
         private ViewCardOptional card;
         private View view;
-        private View header;
 
         private View vwColor;
         private ImageButton ibExpander;
@@ -385,7 +384,6 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
             card = itemView.findViewById(R.id.card);
             view = itemView.findViewById(R.id.clItem);
-            header = itemView.findViewById(R.id.inHeader);
 
             vwColor = itemView.findViewById(R.id.vwColor);
             ibExpander = itemView.findViewById(R.id.ibExpander);
@@ -623,7 +621,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
 
             if (accessibility)
-                header.setAccessibilityDelegate(accessibilityDelegateHeader);
+                view.setAccessibilityDelegate(accessibilityDelegateHeader);
         }
 
         private void unwire() {
@@ -668,7 +666,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             }
 
             if (accessibility)
-                header.setAccessibilityDelegate(null);
+                view.setAccessibilityDelegate(null);
         }
 
         private void clear() {