Remove VulkanState dependency

Passing VulkanState everywhere (including windowLoop) made no sense.
I know that "globals are evil", but this is the best solution for now.

graphics/src/window.cpp

@@ -96,11 +96,11 @@ uint16_t windowInit()
     return WINDOW_ERROR_NO_ERROR;
 }
 
-uint16_t windowLoop(rse::graphics::vulkanbase::VulkanState& vulkan_state)
+uint16_t windowLoop()
 {
     while (!glfwWindowShouldClose(gpWindowHandle)) {
         glfwPollEvents();
-        rse::graphics::vulkanbase::drawFrame(vulkan_state);
+        rse::graphics::vulkanbase::drawFrame();
     }
 
     return WINDOW_ERROR_NO_ERROR;