bpo-44327: Remove unused members from pysqlite_Connection (GH-26565)

* Remove timeout_started

* Remove timeout member

Modules/_sqlite/connection.c

@@ -172,7 +172,6 @@ pysqlite_connection_init(pysqlite_Connection *self, PyObject *args,
     }
 
     self->detect_types = detect_types;
-    self->timeout = timeout;
     (void)sqlite3_busy_timeout(self->db, (int)(timeout*1000));
     self->thread_ident = PyThread_get_thread_ident();
     self->check_same_thread = check_same_thread;

Modules/_sqlite/connection.h

@@ -41,13 +41,6 @@ typedef struct
      * bitwise combination thereof makes sense */
     int detect_types;
 
-    /* the timeout value in seconds for database locks */
-    double timeout;
-
-    /* for internal use in the timeout handler: when did the timeout handler
-     * first get called with count=0? */
-    double timeout_started;
-
     /* None for autocommit, otherwise a PyUnicode with the isolation level */
     PyObject* isolation_level;