Remove MyISAM Requirement (#2442)

- Remove Database Engine Default of InnoDB
- Remove Hard Coded MyISAM requirement

migrations/2015_02_24_000000_create_posts_table.php

@@ -30,8 +30,6 @@ return [
             $table->integer('hide_user_id')->unsigned()->nullable();
 
             $table->unique(['discussion_id', 'number']);
-
-            $table->engine = 'MyISAM';
         });
 
         $connection = $schema->getConnection();

src/Install/DatabaseConfig.php

@@ -47,7 +47,7 @@ class DatabaseConfig implements Arrayable
             'collation' => 'utf8mb4_unicode_ci',
             'prefix'    => $this->prefix,
             'strict'    => false,
-            'engine'    => 'InnoDB',
+            'engine'    => null,
             'prefix_indexes' => true
         ];
     }