Revert "Show deleted messages"

This reverts commit 116f883699.


(cherry picked from commit 36a2f5719f)

src/messagefiltermodel.cpp

@@ -12,7 +12,7 @@ bool MessageFilterModel::filterAcceptsRow(int sourceRow, const QModelIndex &sour
 
     const int specialMarks = index.data(MessageEventModel::SpecialMarksRole).toInt();
 
-    if (specialMarks == EventStatus::Replaced) {
+    if (specialMarks == EventStatus::Hidden || specialMarks == EventStatus::Replaced) {
         return false;
     }