chore: remove extra logging (#3574)

# What does this PR do?
This is already logged by console processor as INFO
<img width="1093" height="280" alt="image"
src="https://github.com/user-attachments/assets/780b0ac2-6744-49d7-b1d4-b7204050a6dc"
/>


## Test Plan

Author: ehhuang

llama_stack/providers/inline/telemetry/meta_reference/telemetry.py

@@ -224,10 +224,6 @@ def _get_or_create_gauge(self, name: str, unit: str) -> metrics.ObservableGauge:
         return _GLOBAL_STORAGE["gauges"][name]
 
     def _log_metric(self, event: MetricEvent) -> None:
-        # Always log to console if console sink is enabled (debug)
-        if TelemetrySink.CONSOLE in self.config.sinks:
-            logger.debug(f"METRIC: {event.metric}={event.value} {event.unit} {event.attributes}")
-
         # Add metric as an event to the current span
         try:
             with self._lock: