Removing private util depenency (#3121)

# Description

Please add an informative description that covers that changes made by
the pull request and link all relevant issues.

# All Promptflow Contribution checklist:
- [ ] **The pull request does not introduce [breaking changes].**
- [ ] **CHANGELOG is updated for new features, bug fixes or other
significant changes.**
- [ ] **I have read the [contribution guidelines](../CONTRIBUTING.md).**
- [ ] **Create an issue and link to the pull request to get dedicated
review from promptflow team. Learn more: [suggested
workflow](../CONTRIBUTING.md#suggested-workflow).**

## General Guidelines and Best Practices
- [ ] Title of the pull request is clear and informative.
- [ ] There are a small number of commits, each of which have an
informative message. This means that previously merged commits do not
appear in the history of the PR. For more information on cleaning up the
commits in your PR, [see this
page](https://github.com/Azure/azure-powershell/blob/master/documentation/development-docs/cleaning-up-commits.md).

### Testing Guidelines
- [ ] Pull request includes test coverage for the included changes.

src/promptflow-evals/promptflow/evals/evaluate/_utils.py

@@ -4,18 +4,40 @@
 import logging
 import json
 import os
+import re
 import tempfile
+from collections import namedtuple
 from pathlib import Path
 
 import mlflow
 
 from promptflow._sdk._constants import Local2Cloud
-from promptflow._sdk._utilities.general_utils import extract_workspace_triad_from_trace_provider
 from promptflow._utils.async_utils import async_run_allowing_running_loop
 from promptflow.azure.operations._async_run_uploader import AsyncRunUploader
 
 LOGGER = logging.getLogger(__name__)
 
+AZURE_WORKSPACE_REGEX_FORMAT = (
+    "^azureml:[/]{1,2}subscriptions/([^/]+)/resource(groups|Groups)/([^/]+)"
+    "(/providers/Microsoft.MachineLearningServices)?/workspaces/([^/]+)$"
+)
+
+AzureMLWorkspaceTriad = namedtuple("AzureMLWorkspace", ["subscription_id", "resource_group_name", "workspace_name"])
+
+
+def extract_workspace_triad_from_trace_provider(trace_provider: str):
+    match = re.match(AZURE_WORKSPACE_REGEX_FORMAT, trace_provider)
+    if not match or len(match.groups()) != 5:
+        raise ValueError(
+            "Malformed trace provider string, expected azureml://subscriptions/<subscription_id>/"
+            "resourceGroups/<resource_group>/providers/Microsoft.MachineLearningServices/"
+            f"workspaces/<workspace_name>, got {trace_provider}"
+        )
+    subscription_id = match.group(1)
+    resource_group_name = match.group(3)
+    workspace_name = match.group(5)
+    return AzureMLWorkspaceTriad(subscription_id, resource_group_name, workspace_name)
+
 
 def load_jsonl(path):
     with open(path, "r", encoding="utf-8") as f:
@@ -50,7 +72,6 @@ def _write_properties_to_run_history(properties: dict) -> None:
 
 
 def _azure_pf_client(trace_destination):
-    from promptflow._sdk._utilities.general_utils import extract_workspace_triad_from_trace_provider
     from promptflow.azure._cli._utils import _get_azure_pf_client
 
     ws_triad = extract_workspace_triad_from_trace_provider(trace_destination)
@@ -64,8 +85,6 @@ def _azure_pf_client(trace_destination):
 
 
 def _get_mlflow_tracking_uri(trace_destination):
-    from promptflow._sdk._utilities.general_utils import extract_workspace_triad_from_trace_provider
-
     azure_pf_client = _azure_pf_client(trace_destination)
     ws_triad = extract_workspace_triad_from_trace_provider(trace_destination)