Fix(stylelint-config): Remove blockless includes order due to collision with Sass

Prior to this change, the Sass engine would emit deprecation warnings
on the code ordered according to our rules. The warnings can be
suppressed for now using the `--silence-deprecation` flag, but that
would stop working with a next major release of Sass.

Author: adamkudrna

packages/stylelint-config/README.md

@@ -23,7 +23,7 @@ Configuration extends community maintained config [stylelint-config-standard-scs
 
 This config:
 
-- Extends the [`stylelint-config-recommended` shared config](https://github.com/stylelint/stylelint-config-recommended) and configures its rules for SCSS;
+- extends the [`stylelint-config-recommended` shared config](https://github.com/stylelint/stylelint-config-recommended) and configures its rules for SCSS;
 - extends the [`stylelint-config-recommended-scss` shared config](https://github.com/stylelint-scss/stylelint-config-recommended-scss) and configures its rules for SCSS;
 - extends the [`stylelint-config-standard` shared config](https://github.com/stylelint/stylelint-config-standard) and configures its rules.
 
@@ -77,13 +77,16 @@ The `order` config enforces a consistent order of content in your declaration bl
 1. Sass variables,
 2. CSS custom properties,
 3. Sass `@extend`,
-4. single-line Sass `@include`,
-5. declarations,
-6. nested rules,
+4. declarations,
+5. nested rules.
 
 For better flexibility, block at-rules (like `@media`, `@supports`, and also Sass `@if`, `@each`, etc.) can be placed
 anywhere in the declaration block.
 
+> [!NOTE]
+> Note that this config does not prescribe placement of blockless Sass `@include` at-rule. However, the Sass engine
+> may push you to place them at the end of the declaration block due to compatibility with CSS nesting.
+
 Besides, properties in the declarations must be ordered by following categories:
 
 1. `all` properties,

packages/stylelint-config/rules/order.js

@@ -8,11 +8,6 @@ export default {
         name: 'extend',
         type: 'at-rule',
       },
-      {
-        hasBlock: false,
-        name: 'include',
-        type: 'at-rule',
-      },
       'declarations',
       'rules',
     ],