remove: Unit test config

Author: exaby73

phpunit.xml.dist

@@ -1,9 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" bootstrap="./vendor/autoload.php" colors="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
   <testsuites>
-    <testsuite name="Unit tests">
-      <directory suffix="Test.php">./tests/Unit</directory>
-    </testsuite>
     <testsuite name="Functional tests">
       <directory suffix="Test.php">./tests/Functional</directory>
     </testsuite>