Move calculations outside of the loop, as they only need to be calculated once per frame.

Bit of cleanup.

src/port/Engine.cpp

@@ -588,12 +588,4 @@ extern "C" void* GameEngine_Malloc(size_t size) {
     memset(static_cast<uint8_t*>(MemoryPool.memory) + MemoryPool.length, 0, MemoryPool.length - chunk);
     SPDLOG_INFO("Memory pool resized from {} to {}", MemoryPool.length - chunk, MemoryPool.length);
     return GameEngine_Malloc(size);
-}
-
-extern "C" float GetWindowWidth() {
-    return Ship::Context::GetInstance()->GetWindow()->GetWidth();
-}
-
-extern "C" float GetWindowHeight() {
-    return Ship::Context::GetInstance()->GetWindow()->GetHeight();
 }