style: remove prints in codebase (#1146)

# What does this PR do?
- replace prints in codebase with logger
- update print_table to use rich Table

## Test Plan
- library client script in
https://github.com/meta-llama/llama-stack/pull/1145

```
llama stack list-providers
```
<img width="1407" alt="image"
src="https://github.com/user-attachments/assets/906b4f54-9e42-4e55-8968-7e3aa45525b2"
/>


[//]: # (## Documentation)

llama_stack/providers/remote/inference/nvidia/utils.py

@@ -4,12 +4,15 @@
 # This source code is licensed under the terms described in the LICENSE file in
 # the root directory of this source tree.
 
+import logging
 from typing import Tuple
 
 import httpx
 
 from . import NVIDIAConfig
 
+logger = logging.getLogger(__name__)
+
 
 def _is_nvidia_hosted(config: NVIDIAConfig) -> bool:
     return "integrate.api.nvidia.com" in config.url
@@ -42,7 +45,7 @@ async def check_health(config: NVIDIAConfig) -> None:
         RuntimeError: If the server is not running or ready
     """
     if not _is_nvidia_hosted(config):
-        print("Checking NVIDIA NIM health...")
+        logger.info("Checking NVIDIA NIM health...")
         try:
             is_live, is_ready = await _get_health(config.url)
             if not is_live: