core,hyprctl: clang, clang-tidy, typo fixes and dtors changes (#9233)

* declare dtor once + DMABBUF typo fix

* dup include + clang moment

* linux-dmabuf: last minute nit change

src/config/ConfigManager.cpp

@@ -1709,10 +1709,6 @@ void CConfigManager::handlePluginLoads() {
     }
 }
 
-ICustomConfigValueData::~ICustomConfigValueData() {
-    ; // empty
-}
-
 const std::unordered_map<std::string, SP<SAnimationPropertyConfig>>& CConfigManager::getAnimationConfig() {
     return m_AnimationTree.getFullConfig();
 }