update documentation

docs/index.rst

@@ -69,70 +69,6 @@ Basic Usage
         if conn:
             conn.disconnect()
 
-API Ussage
-##########
-
-**Connect/Disconnect**
-
-.. code-block:: python
-
-    conn = zk.connect()
-    conn.disconnect()
-
-
-**Disable/Enable Connected Device**
-
-.. code-block:: python
-
-    conn.disable_device()
-    conn.enable_device()
-
-
-**Ger Firmware Version**
-
-.. code-block:: python
-
-    conn.get_firmware_version()
-
-
-**User Operation**
-
-.. code-block:: python
-
-    # Create user
-    conn.set_user(uid=1, name='Fanani M. Ihsan', privilege=const.USER_ADMIN, password='12345678', group_id='', user_id='123')
-    # Get all users (will return list of User object)
-    users = conn.get_users()
-    # Delete User
-    conn.delete_user(uid=1)
-
-
-**Attendance Record**
-
-.. code-block:: python
-
-    # Get attendances (will return list of Attendance object)
-    attendances = conn.get_attendance()
-    # Clear attendances record
-    conn.clear_attendance()
-
-
-**Test voice**
-
-.. code-block:: python
-
-    conn.test_voice()
-
-
-**Device Maintenance**
-
-.. code-block:: python
-
-    # shutdown connected device
-    conn.power_off()
-    # restart connected device
-    conn.restart()
-
 
 Technical Documentation
 #######################