SIENTIAPDE-1478

Refactor PIWebAPIClient and Update Configuration Imports

- Removed outdated PostgreSQL, Redis, MongoDB, and API configuration functions from connectors_config.py.
- Deleted the pi_web_api_client.py file as part of the refactor.
- Updated imports in worker.py and api.py to use the new repository structure.
- Cleaned up scenarios.md by removing obsolete scenarios related to unique constraint violations.
- Commented out the specific version of the sientia-dataops-library in requirements.txt for flexibility.

scouter/metrics.py

@@ -23,24 +23,4 @@ TAG_CHANGES_MONITOR = Gauge(
     'scouter_tag_changes_monitor',
     'Current value change of each tag',
     [*CORE_LABELS, 'tag_name'],
-)
-
-
-# Generic REST client metrics
-GENERIC_REST_CLIENT_LAG = Histogram(
-    'scouter_generic_rest_client_lag',
-    'Lag time for a request to a generic REST client',
-    SIENTIA_CORE_LABELS,
-)
-
-GENERIC_REST_READ_COUNT = Counter(
-    'scouter_generic_rest_client_read_count',
-    'Number of reads from a generic REST client',
-    SIENTIA_CORE_LABELS,
-)
-
-GENERIC_REST_READ_ERROR_COUNT = Counter(
-    'scouter_generic_rest_client_read_error_count',
-    'Number of read errors from a generic REST client',
-    SIENTIA_CORE_LABELS,
-)
+)