Define dependency in order to generate proper load order of extensions

ext_emconf.php is no longer used
PackageStates.php is no longer used. Artifact is build and placed within
vendor.

composer.json

@@ -17,6 +17,7 @@
     "require": {
         "php": "^7.3.0",
         "typo3/cms-core": "*",
+        "danielsiepmann/tracking": "*",
         "scrivo/highlight.php": "^9.15.10"
     },
     "extra": {

ext_emconf.php

@@ -1,23 +0,0 @@
-<?php
-$EM_CONF[$_EXTKEY] = [
-    'title' => 'Daniel Siepmann Website',
-    'description' => 'Configuration of Daniel Siepmann Website',
-    'category' => 'fe',
-    'state' => 'stable',
-    'uploadfolder' => 0,
-    'createDirs' => '',
-    'clearCacheOnLoad' => 0,
-    'author' => 'Daniel Siepmann',
-    'author_email' => 'coding@daniel-siepmann.de',
-    'author_company' => '',
-    'version' => '1.0.0',
-    'constraints' => [
-        'depends' => [
-            'core' => '',
-        ],
-        'conflicts' => [],
-        'suggests' => [
-            'tracking' => '',
-        ],
-    ],
-];