[10.x] refactor(Parser.php): Removing the extra "else" statement (#47483)

* Refactor: Reduce indent and improve code using ternary instead of 'if-else' structure

* refactor(Parser.php): Removing the "else" statement

Author: saMahmoudzadeh

src/Illuminate/Console/Parser.php

@@ -105,11 +105,11 @@ protected static function parseOption($token)
 
         $matches = preg_split('/\s*\|\s*/', $token, 2);
 
+        $shortcut = null;
+
         if (isset($matches[1])) {
             $shortcut = $matches[0];
             $token = $matches[1];
-        } else {
-            $shortcut = null;
         }
 
         switch (true) {