message: Removed superfluous call to vkCmdSetViewport
  Fixes
diff: @@ -122,9 +122,6 @@ public:
  vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
  - VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
  - vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
  -
  VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
  vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
  @@ -135,7 +132,7 @@ public:
  vkCmdBindIndexBuffer(drawCmdBuffers[i], models.cube.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
  // Left
  - viewport.width = (float)width / 3.0f;
  + VkViewport viewport = vks::initializers::viewport((float) width / 3.0f, (float) height, 0.0f, 1.0f);
  vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
  vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.phong);
  