CDClient cleanup and optimization (#1023)

* CDClient cleanup and optimization

- Use static function to get table name
- Remove unused GetName function
- Replace above function with a static GetTableName function
- Remove verbose comments
- Remove verbose initializers
- Remove need to specify table name when getting a table by name
- Remove unused typedef for mac and linux

* Re-add unused table

Convert tables to singletons

- Convert all CDClient tables to singletons
- Move Singleton.h to dCommon
- Reduce header clutter in CDClientManager

dGame/dComponents/RenderComponent.cpp

@@ -20,7 +20,7 @@ RenderComponent::RenderComponent(Entity* parent) : Component(parent) {
 	return;
 
 	/*
-	auto* table = CDClientManager::Instance()->GetTable<CDComponentsRegistryTable>("ComponentsRegistry");
+	auto* table = CDClientManager::Instance().GetTable<CDComponentsRegistryTable>();
 
 	const auto entry = table->GetByIDAndType(parent->GetLOT(), eReplicaComponentType::RENDER);