Revert "Adding SSL encryption and support for MySQL connection (#55048)" (#55057)

This reverts commit b44eeb9.

Author: taylorotwell

config/database.php

@@ -60,9 +60,6 @@
             'engine' => null,
             'options' => extension_loaded('pdo_mysql') ? array_filter([
                 PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
-                PDO::MYSQL_ATTR_SSL_CERT => env('MYSQL_ATTR_SSL_CERT'),
-                PDO::MYSQL_ATTR_SSL_KEY => env('MYSQL_ATTR_SSL_KEY'),
-                PDO::MYSQL_ATTR_SSL_VERIFY_SERVER_CERT => env('MYSQL_ATTR_SSL_VERIFY_SERVER_CERT', false),
             ]) : [],
         ],