Update spacer utilities (#22123)

* Drop -x and -y as they're all the same
- Also move -width to elsewhere in the vars because it makes no sense by spacers.
- Update values of -x and -y across main Sass and docs Sass.
* Update docs to reflect changes; link to spacing utils from options page

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/getting-started/options.md b/docs/getting-started/options.md
index a1491252e..9638cd4ae 100644
--- a/docs/getting-started/options.md
+++ b/docs/getting-started/options.md
@@ -31,7 +31,7 @@ You can find and customize these variables for key global options in our `_varia
 
 | Variable                    | Values                             | Description                                                                            |
 | --------------------------- | ---------------------------------- | -------------------------------------------------------------------------------------- |
-| `$spacer`                   | `1rem` (default), or any value > 0 | Specifies the default spacer value for our spacer utilities.                           |
+| `$spacer`                   | `1rem` (default), or any value > 0 | Specifies the default spacer value to programmatically generate our [spacer utilities](/utilities/spacing/). |
 | `$enable-rounded`           | `true` (default) or `false`        | Enables predefined `border-radius` styles on various components.                       |
 | `$enable-shadows`           | `true` or `false` (default)        | Enables predefined `box-shadow` styles on various components.                          |
 | `$enable-gradients`         | `true` or `false` (default)        | Enables predefined gradients via `background-image` styles on various components.      |