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/nvidia.py

@@ -4,6 +4,7 @@
 # This source code is licensed under the terms described in the LICENSE file in
 # the root directory of this source tree.
 
+import logging
 import warnings
 from typing import AsyncIterator, List, Optional, Union
 
@@ -25,7 +26,12 @@ from llama_stack.apis.inference import (
     ToolChoice,
     ToolConfig,
 )
-from llama_stack.models.llama.datatypes import CoreModelId, SamplingParams, ToolDefinition, ToolPromptFormat
+from llama_stack.models.llama.datatypes import (
+    CoreModelId,
+    SamplingParams,
+    ToolDefinition,
+    ToolPromptFormat,
+)
 from llama_stack.providers.utils.inference.model_registry import (
     ModelRegistryHelper,
     build_model_alias,
@@ -43,6 +49,8 @@ from .openai_utils import (
 )
 from .utils import _is_nvidia_hosted, check_health
 
+logger = logging.getLogger(__name__)
+
 _MODEL_ALIASES = [
     build_model_alias(
         "meta/llama3-8b-instruct",
@@ -90,7 +98,7 @@ class NVIDIAInferenceAdapter(Inference, ModelRegistryHelper):
         # TODO(mf): filter by available models
         ModelRegistryHelper.__init__(self, model_aliases=_MODEL_ALIASES)
 
-        print(f"Initializing NVIDIAInferenceAdapter({config.url})...")
+        logger.info(f"Initializing NVIDIAInferenceAdapter({config.url})...")
 
         if _is_nvidia_hosted(config):
             if not config.api_key:

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: