Delete unnecessary description.

src/client/styles/scss/theme/_apply-colors-dark.scss

@@ -16,7 +16,7 @@ $color-tags: #949494 !default;
 $bgcolor-tags: $dark !default;
 
 // override bootstrap variables
-$border-color: $secondary;
+$border-color: blue;
 $table-dark-color: $color-table;
 $table-dark-bg: $bgcolor-table;
 $table-dark-border-color: $border-color-table;
@@ -59,7 +59,7 @@ textarea.form-control {
 }
 
 .input-group input {
-  border-color: blue; //$gray-600?500?
+  border-color: $border-color; //$gray-600?500?
 }
 
 /*
@@ -254,27 +254,6 @@ ul.pagination {
   @include override-list-group-item($color-list, $bgcolor-sidebar-list-group, $color-list-hover, $bgcolor-list-hover, $color-list-active, $bgcolor-list-active);
 }
 
-/*
- * GROWI on-edit
- */
-body.on-edit {
-  .main {
-    .page-editor-editor-container {
-      border-right-color: $border-color;
-
-      .navbar-editor {
-        border-bottom-color: $border-color;
-      }
-    }
-  }
-  .grw-editor-navbar-bottom {
-    background-color: $bgcolor-global;
-    #slack-mark-black {
-      display: none;
-    }
-  }
-}
-
 /*
  * Popover
  */
@@ -291,7 +270,6 @@ body.on-edit {
   }
 }
 
-
 /*
  * Slack
  */
@@ -336,7 +314,6 @@ body.on-edit {
   }
 }
 
-
 /*
  * GROWI HandsontableModal
  */