remove mysql scenario

Author: quinna-h

utils/_context/_scenarios/__init__.py

@@ -1150,9 +1150,6 @@ class _Scenarios:
 
     otel_collector = OtelCollectorScenario("OTEL_COLLECTOR")
     otel_collector_e2e = OtelCollectorScenario("OTEL_COLLECTOR_E2E", mocked_backend=False)
-    otel_mysql_metrics_e2e = OtelCollectorScenario(
-        "OTEL_MYSQL_METRICS_E2E", database_type="mysql", mocked_backend=False
-    )
 
     integration_frameworks = IntegrationFrameworksScenario(
         "INTEGRATION_FRAMEWORKS", doc="Tests for third-party integration frameworks"