LibGUI: Rename ModelSelection::remove_matching => remove_all_matching

Let's be consistent with how Vector, HashTable and HashMap names these.

Userland/Libraries/LibGUI/AbstractView.cpp

@@ -71,7 +71,7 @@ void AbstractView::model_did_update(unsigned int flags)
             m_cursor_index = {};
         if (!model()->is_within_range(m_drop_candidate_index))
             m_drop_candidate_index = {};
-        selection().remove_matching([this](auto& index) { return !model()->is_within_range(index); });
+        selection().remove_all_matching([this](auto& index) { return !model()->is_within_range(index); });
 
         auto index = find_next_search_match(m_highlighted_search.view());
         if (index.is_valid())

Userland/Libraries/LibGUI/FileSystemModel.cpp

@@ -423,7 +423,7 @@ void FileSystemModel::handle_file_event(Core::FileWatcherEvent const& event)
         end_delete_rows();
 
         for_each_view([&](AbstractView& view) {
-            view.selection().remove_matching([&](auto& selection_index) {
+            view.selection().remove_all_matching([&](auto& selection_index) {
                 return selection_index.internal_data() == index.internal_data();
             });
             if (view.cursor_index().internal_data() == index.internal_data()) {

Userland/Libraries/LibGUI/ModelSelection.cpp

@@ -10,7 +10,7 @@
 
 namespace GUI {
 
-void ModelSelection::remove_matching(Function<bool(const ModelIndex&)> filter)
+void ModelSelection::remove_all_matching(Function<bool(ModelIndex const&)> filter)
 {
     if (m_indices.remove_all_matching([&](ModelIndex const& index) { return filter(index); }))
         notify_selection_changed();

Userland/Libraries/LibGUI/ModelSelection.h

@@ -76,7 +76,7 @@ public:
         return *m_indices.begin();
     }
 
-    void remove_matching(Function<bool(const ModelIndex&)>);
+    void remove_all_matching(Function<bool(ModelIndex const&)> filter);
 
     template<typename Function>
     void change_from_model(Badge<SortingProxyModel>, Function f)