remove checkout step from instructions as v4 is the default branch

Jacky Zhao

2023-08-20 425c9789a451e69adbba2d99193e38e8915e8804

 quartz/components/styles/darkmode.scss

@@ -2,7 +2,7 @@
  position: relative;
  width: 20px;
  height: 20px;
  margin: 1rem;
  margin: 0 10px;

  & > .toggle {
    display: none;