Review fixes

Author: AydinHassan

exercises/a-match-made-in-heaven/problem/problem.md

@@ -33,7 +33,6 @@ You should return 0 for any unsupported key presses.
 
 The core logic of the program should not change. eg the key presses and decimal codes.
 
-----------------------------------------------------------------------
 
 ----------------------------------------------------------------------
 ## EXTRA

src/Exercise/AMatchMadeInHeaven.php

@@ -30,14 +30,8 @@ class AMatchMadeInHeaven extends AbstractExercise implements
     ProvidesInitialCode,
     SelfCheck
 {
-    /**
-     * @var Parser
-     */
-    private $parser;
-
-    public function __construct(Parser $parser)
+    public function __construct(private Parser $parser)
     {
-        $this->parser = $parser;
     }
 
     public function getName(): string