fix: optimization: PVS-Studio warning V832

It's better to use '= default;' syntax instead of empty constructor and destructor body.
Using '= default;' can help the compiler generate more optimal code.

Reported by: PVS-Studio

Signed-off-by: Vyacheslav Ivanov <islavaivanov76@gmail.com>

src/logic/ChunksController.cpp

@@ -30,8 +30,7 @@ ChunksController::ChunksController(Level* level, uint padding)
     generator(WorldGenerators::createGenerator(level->getWorld()->getGenerator(), level->content)) {
 }
 
-ChunksController::~ChunksController(){
-}
+ChunksController::~ChunksController() = default;
 
 void ChunksController::update(int64_t maxDuration) {
     int64_t mcstotal = 0;

src/logic/CommandsInterpreter.hpp

@@ -55,7 +55,7 @@ namespace cmd {
         std::string description;
         executor_func executor;
     public:
-        Command() {}
+        Command() = default;
 
         Command(
             std::string name,