[TASK] Drop expansion of shorthand properties (#838)

Those were deprecated in version 8.7.0.

Fixes #511

CHANGELOG.md

@@ -26,6 +26,7 @@ Please also have a look at our
 
 ### Removed
 
+- Remove expansion of shorthand properties (#838)
 - Remove `Parser::setCharset/getCharset` (#808)
 - Remove `Rule::getValues()` (#582)
 - Remove `Rule::setValues()` (#562)

src/CSSList/Document.php

@@ -111,30 +111,6 @@ public function getSelectorsBySpecificity($sSpecificitySearch = null): array
         return $aResult;
     }
 
-    /**
-     * Expands all shorthand properties to their long value.
-     *
-     * @deprecated since 8.7.0, will be removed without substitution in version 9.0 in #511
-     */
-    public function expandShorthands(): void
-    {
-        foreach ($this->getAllDeclarationBlocks() as $oDeclaration) {
-            $oDeclaration->expandShorthands();
-        }
-    }
-
-    /**
-     * Create shorthands properties whenever possible.
-     *
-     * @deprecated since 8.7.0, will be removed without substitution in version 9.0 in #511
-     */
-    public function createShorthands(): void
-    {
-        foreach ($this->getAllDeclarationBlocks() as $oDeclaration) {
-            $oDeclaration->createShorthands();
-        }
-    }
-
     /**
      * Overrides `render()` to make format argument optional.
      *