fix: some console snippets will be incompletely copied

Sample: ```console echo $PATH ```
2023-03-17 06:37:14 +08:00 · 2023-03-17 06:37:14 +08:00 · e8e4901e34
parent d96b8811a7
commit e8e4901e34
1 changed files with 0 additions and 8 deletions
--- a/_sass/addon/syntax.scss
+++ b/_sass/addon/syntax.scss
@ -66,14 +66,6 @@ html {
    font-size: $code-font-size;
    line-height: 1.4rem;
    word-wrap: normal; /* Fixed Safari overflow-x */
-
-    /* set the dollar sign to non-selectable */
-    > .gp:first-child {
-      -webkit-user-select: none;
-      -moz-user-select: none;
-      -ms-user-select: none;
-      user-select: none;
-    }
  }

  table {