message: delete a part of redundant code
diff: @@ -213,7 +213,7 @@ public:
  VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
  VkClearValue clearValues[2];
  - clearValues[0].color = { { 0.0f, 0.0f, 0.0f, 1.0f } };;
  + clearValues[0].color = { { 0.0f, 0.0f, 0.0f, 1.0f } };
  clearValues[1].depthStencil = { 1.0f, 0 };
  VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
  @@ -390,7 +390,6 @@ public:
  VkCommandBuffer copyCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
  VkBufferCopy copyRegion = {};
  copyRegion.size = storageBufferSize;
  - vkCmdCopyBuffer(copyCmd, stagingBuffer.buffer, compute.storageBuffers.input.buffer, 1, &copyRegion);
  vkCmdCopyBuffer(copyCmd, stagingBuffer.buffer, compute.storageBuffers.output.buffer, 1, &copyRegion);
  // Add an initial release barrier to the graphics queue,
  // so that when the compute command buffer executes for the first time
  