delete phpstan.neon and phpunit.xml in favor of phpstan.dist.neon and phpunit.xml.dist

phpstan.neon

@@ -1,14 +0,0 @@
-includes:
-    - vendor/phpstan/phpstan/conf/bleedingEdge.neon
-    - phpstan-baseline.neon
-
-parameters:
-    level: 6
-    excludePaths:
-        - vendor
-        - flight/util/ReturnTypeWillChange.php
-        - tests/named-arguments
-    paths:
-        - flight
-        - index.php
-    treatPhpDocTypesAsCertain: false

phpunit.xml

@@ -1,33 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<phpunit
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
-    bootstrap="tests/phpunit_autoload.php"
-    executionOrder="random"
-    beStrictAboutOutputDuringTests="true"
-    beStrictAboutTodoAnnotatedTests="true"
-    convertDeprecationsToExceptions="true"
-    stopOnError="true"
-    stopOnFailure="true"
-    verbose="true"
-    colors="true">
-    <coverage processUncoveredFiles="false">
-        <include>
-            <directory suffix=".php">flight/</directory>
-        </include>
-		<exclude>
-			<file>flight/autoload.php</file>
-		</exclude>
-    </coverage>
-    <testsuites>
-        <testsuite name="default">
-            <directory>tests/</directory>
-            <exclude>tests/named-arguments/</exclude>
-        </testsuite>
-    </testsuites>
-    <logging />
-    <php>
-        <ini name="error_reporting" value="-1"/>
-        <env name="PHPUNIT_TEST" value="true" force="true" />
-    </php>
-</phpunit>