Fix issues of static code checks

Author: renttek

setup/src/Magento/Setup/Model/ConfigGenerator.php

@@ -256,6 +256,8 @@ public function createCacheHostsConfig(array $data)
      * @param string $hostData
      *
      * @return array
+     *
+     * @SuppressWarnings(PHPMD.UnusedPrivateMethod)
      */
     private function mapHostData(string $hostData) : array
     {

setup/src/Magento/Setup/Test/Unit/Model/ConfigGeneratorTest.php

@@ -140,6 +140,5 @@ public function testCreateCryptKeyConfig()
             ->with(ConfigOptionsListConstants::CONFIG_PATH_CRYPT_KEY, $key);
 
         $this->model->createCryptConfig($data);
-
     }
 }

setup/src/Magento/Setup/Test/Unit/Module/ConfigGeneratorTest.php

@@ -44,7 +44,12 @@ protected function setUp()
         $configDataFactoryMock = (new ObjectManager($this))
             ->getObject(ConfigDataFactory::class, ['objectManager' => $objectManagerMock]);
 
-        $this->configGeneratorObject = new ConfigGenerator($randomMock, $deployConfig, $configDataFactoryMock, $cryptKeyGenerator);
+        $this->configGeneratorObject = new ConfigGenerator(
+            $randomMock,
+            $deployConfig,
+            $configDataFactoryMock,
+            $cryptKeyGenerator
+        );
     }
 
     public function testCreateCryptConfigWithInput()