Python: clean up Mysql.qll

Author: RasmusWL

python/ql/lib/semmle/python/frameworks/Mysql.qll

@@ -21,17 +21,11 @@ private import semmle.python.frameworks.PEP249
  * - https://dev.mysql.com/doc/connector-python/en/connector-python-example-connecting.html
  */
 private module Mysql {
-  // ---------------------------------------------------------------------------
-  // mysql
-  // ---------------------------------------------------------------------------
-  /** Provides models for the `mysql` module. */
-  module MysqlMod {
-    /**
-     * The mysql.connector module
-     * See https://dev.mysql.com/doc/connector-python/en/connector-python-example-connecting.html
-     */
-    class MysqlConnector extends PEP249::PEP249ModuleApiNode {
-      MysqlConnector() { this = API::moduleImport("mysql").getMember("connector") }
-    }
+  /**
+   * The mysql.connector module
+   * See https://dev.mysql.com/doc/connector-python/en/connector-python-example-connecting.html
+   */
+  class MysqlConnector extends PEP249::PEP249ModuleApiNode {
+    MysqlConnector() { this = API::moduleImport("mysql").getMember("connector") }
   }
 }