Remove atomic members from static modules

include/modules/menu.hpp

@@ -45,7 +45,7 @@ namespace modules {
 
     vector<unique_ptr<menu_tree>> m_levels;
 
-    std::atomic<int> m_level{-1};
+    int m_level{-1};
   };
 }  // namespace modules
 

include/modules/xbacklight.hpp

@@ -57,7 +57,7 @@ namespace modules {
     progressbar_t m_progressbar;
 
     bool m_scroll{true};
-    std::atomic<int> m_percentage{0};
+    int m_percentage{0};
   };
 }  // namespace modules