Revert "Added a deactivate() function to Tab so when switching tabs it hides … (#5386)"

This reverts commit 7a335590e2.

src/slic3r/GUI/Tab.cpp

@@ -5202,10 +5202,6 @@ bool Tab::tree_sel_change_delayed(wxCommandEvent& event)
     if (m_active_page == page)
         return false;
 
-    if (m_active_page != nullptr) {
-        m_active_page->deactivate();
-    }
-
     m_active_page = page;
 
     auto throw_if_canceled = std::function<void()>([this](){
@@ -5223,6 +5219,8 @@ bool Tab::tree_sel_change_delayed(wxCommandEvent& event)
 
     try {
         m_page_view->Freeze();
+        // clear pages from the controls
+        clear_pages();
         throw_if_canceled();
 
         //BBS: GUI refactor
@@ -5927,13 +5925,6 @@ void Page::activate(ConfigOptionMode mode, std::function<void()> throw_if_cancel
 #endif
 }
 
-void Page::deactivate()
-{
-    for (auto group : m_optgroups) {
-        group->Hide();
-    }
-}
-
 void Page::clear()
 {
     for (auto group : m_optgroups)

src/slic3r/GUI/Tab.hpp

@@ -104,7 +104,6 @@ public:
 	void		reload_config();
     void        update_visibility(ConfigOptionMode mode, bool update_contolls_visibility);
     void        activate(ConfigOptionMode mode, std::function<void()> throw_if_canceled);
-    void        deactivate();
     void        clear();
     void        msw_rescale();
     void        sys_color_changed();