do not put initialize in aliases

doc/modules/ROOT/examples/shared_libs/dynamic_main.cpp

@@ -41,7 +41,7 @@ int main() {
     // end::unload[]
     std::cout << "Before loading the shared library.\n";
 
-    initialize();
+    boost::openmethod::initialize();
 
     std::cout << "cow meets wolf -> "
               << meet(*std::make_unique<Cow>(), *std::make_unique<Wolf>())
@@ -60,7 +60,7 @@ int main() {
     boost::dll::shared_library lib(
         boost::dll::program_location().parent_path() / LIBRARY_NAME,
         boost::dll::load_mode::rtld_now);
-    initialize();
+    boost::openmethod::initialize();
 
     std::cout << "cow meets wolf -> "
               << meet(*std::make_unique<Cow>(), *std::make_unique<Wolf>())
@@ -83,7 +83,7 @@ int main() {
     std::cout << "\nAfter unloading the shared library.\n";
 
     lib.unload();
-    initialize();
+    boost::openmethod::initialize();
 
     std::cout << "cow meets wolf -> "
               << meet(*std::make_unique<Cow>(), *std::make_unique<Wolf>())

doc/modules/ROOT/examples/shared_libs/indirect_main.cpp

@@ -37,7 +37,7 @@ auto main() -> int {
     using namespace boost::openmethod::aliases;
 
     std::cout << "Before loading the shared library.\n";
-    initialize();
+    boost::openmethod::initialize();
 
     auto gracie = make_unique_virtual<Cow>();
     auto willy = make_unique_virtual<Wolf>();
@@ -53,7 +53,7 @@ auto main() -> int {
         boost::dll::program_location().parent_path() / LIBRARY_NAME,
         boost::dll::load_mode::rtld_now);
 
-    initialize();
+    boost::openmethod::initialize();
 
     std::cout << "cow meets wolf -> " << meet(*gracie, *willy) << "\n"; // run
     std::cout << "wolf meets cow -> " << meet(*willy, *gracie) << "\n"; // hunt

doc/modules/ROOT/examples/shared_libs/static_main.cpp

@@ -30,7 +30,7 @@ auto make_tiger() -> Animal*;
 }
 
 auto main() -> int {
-    initialize();
+    boost::openmethod::initialize();
 
     std::unique_ptr<Animal> gracie(new Cow());
     std::unique_ptr<Animal> willy(new Wolf());

include/boost/openmethod/initialize.hpp

@@ -1675,10 +1675,6 @@ inline auto finalize(Options&&... opts) -> void {
     Registry::finalize(std::forward<Options>(opts)...);
 }
 
-namespace aliases {
-using boost::openmethod::initialize;
-}
-
 } // namespace boost::openmethod
 
 #ifdef _MSC_VER