remove destructor definition that not in use

src/app/browser/main/tab.cpp

@@ -23,8 +23,6 @@ Tab::Tab()
     );
 }
 
-Tab::~Tab() = default;
-
 // Getters
 Glib::ustring Tab::get_page_title(
     const int & PAGE_NUMBER

src/app/browser/main/tab.hpp

@@ -30,8 +30,6 @@ namespace app::browser::main
 
             Tab();
 
-            ~Tab();
-
             Glib::ustring get_page_title(
                 const int & PAGE_NUMBER
             );