chore: remove dead code (#3863)

# What does this PR do?


## Test Plan

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

@@ -1,75 +0,0 @@
-# Copyright (c) Meta Platforms, Inc. and affiliates.
-# All rights reserved.
-#
-# This source code is licensed under the terms described in the LICENSE file in
-# the root directory of this source tree.
-
-import json
-from datetime import UTC, datetime
-
-from opentelemetry.sdk.trace import ReadableSpan
-from opentelemetry.sdk.trace.export import SpanProcessor
-from opentelemetry.trace.status import StatusCode
-
-from llama_stack.log import get_logger
-
-logger = get_logger(name="console_span_processor", category="telemetry")
-
-
-class ConsoleSpanProcessor(SpanProcessor):
-    def __init__(self, print_attributes: bool = False):
-        self.print_attributes = print_attributes
-
-    def on_start(self, span: ReadableSpan, parent_context=None) -> None:
-        if span.attributes and span.attributes.get("__autotraced__"):
-            return
-
-        timestamp = datetime.fromtimestamp(span.start_time / 1e9, tz=UTC).strftime("%H:%M:%S.%f")[:-3]
-        logger.info(f"[dim]{timestamp}[/dim] [bold magenta][START][/bold magenta] [dim]{span.name}[/dim]")
-
-    def on_end(self, span: ReadableSpan) -> None:
-        timestamp = datetime.fromtimestamp(span.end_time / 1e9, tz=UTC).strftime("%H:%M:%S.%f")[:-3]
-        span_context = f"[dim]{timestamp}[/dim] [bold magenta][END][/bold magenta] [dim]{span.name}[/dim]"
-        if span.status.status_code == StatusCode.ERROR:
-            span_context += " [bold red][ERROR][/bold red]"
-        elif span.status.status_code != StatusCode.UNSET:
-            span_context += f" [{span.status.status_code}]"
-        duration_ms = (span.end_time - span.start_time) / 1e6
-        span_context += f" ({duration_ms:.2f}ms)"
-        logger.info(span_context)
-
-        if self.print_attributes and span.attributes:
-            for key, value in span.attributes.items():
-                if key.startswith("__"):
-                    continue
-                str_value = str(value)
-                if len(str_value) > 1000:
-                    str_value = str_value[:997] + "..."
-                logger.info(f"    [dim]{key}[/dim]: {str_value}")
-
-        for event in span.events:
-            event_time = datetime.fromtimestamp(event.timestamp / 1e9, tz=UTC).strftime("%H:%M:%S.%f")[:-3]
-            severity = event.attributes.get("severity", "info")
-            message = event.attributes.get("message", event.name)
-            if isinstance(message, dict) or isinstance(message, list):
-                message = json.dumps(message, indent=2)
-            severity_color = {
-                "error": "red",
-                "warn": "yellow",
-                "info": "white",
-                "debug": "dim",
-            }.get(severity, "white")
-            logger.info(f" {event_time} [bold {severity_color}][{severity.upper()}][/bold {severity_color}] {message}")
-            if event.attributes:
-                for key, value in event.attributes.items():
-                    if key.startswith("__") or key in ["message", "severity"]:
-                        continue
-                    logger.info(f"[dim]{key}[/dim]: {value}")
-
-    def shutdown(self) -> None:
-        """Shutdown the processor."""
-        pass
-
-    def force_flush(self, timeout_millis: float | None = None) -> bool:
-        """Force flush any pending spans."""
-        return True