message: move primer-utilities out of injected global css
diff: @@ -20,8 +20,6 @@ table {
  @import "primer-navigation/lib/underline-nav.scss";
  // StateLabel
  @import "primer-labels/index.scss";
  -// .markdown-body
  -@import "primer-markdown/index.scss";
  // Flash
  @import "primer-alerts/index.scss";
  // Avatar
  