delete unnecessary scss

src/client/styles/scss/theme/_layout_kibela_variable.scss

@@ -1,39 +0,0 @@
-$radius: .25em;
-
-$bgcolor-theme: rgb(18, 86, 163);
-$themelight: #f4f5f6;
-$subthemecolor: rgb(90, 149, 216);
-$lightthemecolor: rgba(181, 203, 247, 0.61);
-
-$bgcolor-navbar: $bgcolor-theme;
-$bgcolor-global: $themelight;
-$bgcolor-global: $themelight;
-
-$color-header: $bgcolor-theme;
-$color-global: #3c4a60;
-$linktext: rgb(74, 109, 204);
-$linktext-hover: lighten($linktext, 12%);
-$sidebar-text: $bgcolor-theme;
-
-$primary: $bgcolor-theme;
-$info: lighten($bgcolor-theme, 20%);
-
-$fillcolor-logo-mark: lighten($bgcolor-theme, 20%);
-$color-link-wiki: lighten($bgcolor-theme, 20%);
-$color-link-wiki-hover: lighten($color-link-wiki, 20%);
-$color-inline-code: $subthemecolor;
-$bgcolor-inline-code: lighten($subthemecolor, 70%);
-$border: $lightthemecolor;
-
-// change color of highlighted header in wiki (default: orange)
-.wiki {
-  .code-line.revision-head.highlighted {
-    color: $themelight;
-    background-color: lighten($bgcolor-theme, 20%);
-
-    .icon-note,
-    .icon-link {
-      color: $themelight;
-    }
-  }
-}