[TASK] Drop greedy calculation of selector specificity

This constructor parameter is not used, and having the
specificity calculation always done lazily is not a problem.

Author: oliverklee

CHANGELOG.md

@@ -38,6 +38,7 @@ Please also have a look at our
 
 ### Removed
 
+- Drop greedy calculation of selector specificity (#1021)
 - Remove `OutputFormat::level()` (#874)
 - Remove expansion of shorthand properties (#838)
 - Remove `Parser::setCharset/getCharset` (#808)

src/Property/Selector.php

@@ -86,14 +86,10 @@ public static function isValid($selector)
 
     /**
      * @param string $selector
-     * @param bool $calculateSpecificity @deprecated since V8.8.0, will be removed in V9.0.0
      */
-    public function __construct($selector, $calculateSpecificity = false)
+    public function __construct($selector)
     {
         $this->setSelector($selector);
-        if ($calculateSpecificity) {
-            $this->getSpecificity();
-        }
     }
 
     /**