HLE: Remove empty ConfigMem and SharedPage Shutdown functions

src/core/hle/config_mem.cpp

@@ -36,7 +36,4 @@ void Init() {
     config_mem.firm_sys_core_ver = 0x2;
 }
 
-void Shutdown() {
-}
-
 } // namespace

src/core/hle/config_mem.h

@@ -52,6 +52,5 @@ static_assert(sizeof(ConfigMemDef) == Memory::CONFIG_MEMORY_SIZE, "Config Memory
 extern ConfigMemDef config_mem;
 
 void Init();
-void Shutdown();
 
 } // namespace

src/core/hle/hle.cpp

@@ -43,8 +43,6 @@ void Init() {
 }
 
 void Shutdown() {
-    ConfigMem::Shutdown();
-    SharedPage::Shutdown();
     Service::Shutdown();
 
     LOG_DEBUG(Kernel, "shutdown OK");

src/core/hle/shared_page.cpp

@@ -18,7 +18,4 @@ void Init() {
     shared_page.running_hw = 0x1; // product
 }
 
-void Shutdown() {
-}
-
 } // namespace

src/core/hle/shared_page.h

@@ -54,6 +54,5 @@ static_assert(sizeof(SharedPageDef) == Memory::SHARED_PAGE_SIZE, "Shared page st
 extern SharedPageDef shared_page;
 
 void Init();
-void Shutdown();
 
 } // namespace