remove dead comments

src/gfx.zig

@@ -351,11 +351,13 @@ pub fn copyBuffer(
         .p_command_buffers = @ptrCast(&cmdbuf),
         .p_wait_dst_stage_mask = undefined,
     };
+
     // creating and submitting a queue for every copy operation seems a bad idea for "streamed" data
     // gonna want a way to send a copy operation WITH SYNCHRONIZATION PRIMITIVES on a particular queue
     // see https://stackoverflow.com/a/62183243
     //
     // this may be a misunderstanding on how submission works...
+
     try vkd.queueSubmit(queue, 1, @ptrCast(&si), .null_handle);
     try vkd.queueWaitIdle(queue);
 }