Update usage of deprecated methods in the docs

readthedocs/extra/basic/getting-started.rst

@@ -48,7 +48,7 @@ Basic Usage
 
        # Retrieving messages from a chat
        from telethon import utils
-       for message in client.get_message_history('username', limit=10):
+       for message in client.iter_messages('username', limit=10):
            print(utils.get_display_name(message.sender), message.message)
 
        # Listing all the dialogs (conversations you have open)
@@ -60,7 +60,7 @@ Basic Usage
 
        # Once you have a message with .media (if message.media)
        # you can download it using client.download_media():
-       messages = client.get_message_history('username')
+       messages = client.get_messages('username')
        client.download_media(messages[0])
 
    **More details**: :ref:`telegram-client`

readthedocs/extra/basic/telegram-client.rst

@@ -67,7 +67,7 @@ Many other common methods for quick scripts are also available:
 
         # The utils package has some goodies, like .get_display_name()
         from telethon import utils
-        for message in client.get_message_history('username', limit=10):
+        for message in client.iter_messages('username', limit=10):
             print(utils.get_display_name(message.sender), message.message)
 
         # Dialogs are the conversations you have open

readthedocs/extra/examples/chats-and-channels.rst

@@ -288,7 +288,7 @@ use :tl:`GetMessagesViewsRequest`, setting ``increment=True``:
 
 
         # Obtain `channel' through dialogs or through client.get_entity() or anyhow.
-        # Obtain `msg_ids' through `.get_message_history()` or anyhow. Must be a list.
+        # Obtain `msg_ids' through `.get_messages()` or anyhow. Must be a list.
 
         client(GetMessagesViewsRequest(
             peer=channel,