Use the default constructor for NormalizedComponentStorage instead of…

… defining one explicitly.

The explicit definition was needed to workaround a bug in old GCC versions, but it's not needed anymore.

include/fruit/impl/storage/normalized_component_storage.h

@@ -68,7 +68,7 @@ class NormalizedComponentStorage {
   NormalizedComponentStorage& operator=(NormalizedComponentStorage&&) = default;
   NormalizedComponentStorage& operator=(const NormalizedComponentStorage&) = default;
 
-  ~NormalizedComponentStorage();
+  ~NormalizedComponentStorage() = default;
 };
 
 } // namespace impl

src/normalized_component_storage.cpp

@@ -53,10 +53,5 @@ NormalizedComponentStorage::NormalizedComponentStorage(ComponentStorage&& compon
   InjectorStorage::addMultibindings(multibindings, fixed_size_allocator_data, std::move(component.multibindings));
 }
 
-// TODO: This can't be inline (let alone defined as `=default') with GCC 4.8, while it would work anyway with Clang.
-// Consider minimizing the testcase and filing a bug.
-NormalizedComponentStorage::~NormalizedComponentStorage() {
-}
-
 } // namespace impl
 } // namespace fruit