chore: omit not relevant apis

Author: ilanmai21

README.md

@@ -119,49 +119,10 @@ async def main():
 
 
 asyncio.run(main())
-
 ```
 
 A more detailed example can be found [here](examples/studio/chat/chat_completions.py).
 
-### Chat
-
-```python
-from ai21 import AI21Client
-from ai21.models import RoleType
-from ai21.models import ChatMessage
-
-system = "You're a support engineer in a SaaS company"
-messages = [
-    ChatMessage(text="Hello, I need help with a signup process.", role=RoleType.USER),
-    ChatMessage(text="Hi Alice, I can help you with that. What seems to be the problem?", role=RoleType.ASSISTANT),
-    ChatMessage(text="I am having trouble signing up for your product with my Google account.", role=RoleType.USER),
-]
-
-
-client = AI21Client()
-chat_response = client.chat.create(
-    system=system,
-    messages=messages,
-    model="j2-ultra",
-)
-```
-
-For a more detailed example, see the chat [examples](examples/studio/chat.py).
-
-### Completion
-
-```python
-from ai21 import AI21Client
-
-
-client = AI21Client()
-completion_response = client.completion.create(
-    prompt="This is a test prompt",
-    model="j2-mid",
-)
-```
-
 ### Chat Completion
 
 ```python