remove static_initilize from cpu

src/ngraph/runtime/backend_manager.cpp

@@ -74,10 +74,6 @@ shared_ptr<runtime::Backend> runtime::BackendManager::create_backend(const std::
     runtime::interpreter::static_initialize();
 #endif
 
-#ifdef NGRAPH_CPU_STATIC_LIB_ENABLE
-    runtime::cpu::static_initialize();
-#endif
-
     shared_ptr<runtime::Backend> backend;
     string type = config;
 

src/ngraph/runtime/cpu/cpu_backend.cpp

@@ -58,29 +58,17 @@ extern "C" runtime::BackendConstructor* get_backend_constructor_pointer()
 }
 #endif
 
-void runtime::cpu::static_initialize()
-{
-    static bool s_is_initialized = false;
-    if (!s_is_initialized)
-    {
-        s_is_initialized = true;
-        BackendManager::register_backend("CPU", runtime::cpu::get_backend_constructor_pointer());
-    }
-}
-
 namespace
 {
-#ifndef NGRAPH_CPU_STATIC_LIB_ENABLE
     static class CPUStaticInit
     {
     public:
         CPUStaticInit()
         {
-            runtime::BackendManager::register_backend("CPU", get_backend_constructor_pointer());
+            runtime::BackendManager::register_backend("CPU", runtime::cpu::get_backend_constructor_pointer());
         }
         ~CPUStaticInit() {}
     } s_cpu_static_init;
-#endif
 }
 
 runtime::cpu::CPU_Backend::~CPU_Backend()