fix: Remove unused imports to resolve lint check failures

- Remove unused typing.Union import from console_formatter.py
- Remove unused pytest and rich.text.Text imports from test file
- All emoji disable functionality preserved and tests passing
- Addresses CI lint failures in PR #3063

Co-Authored-By: João <joao@crewai.com>

tests/utilities/events/utils/test_console_formatter_emoji_disable.py

@@ -1,7 +1,5 @@
 import os
-import pytest
 from unittest.mock import patch
-from rich.text import Text
 from rich.tree import Tree
 
 from crewai.utilities.events.utils.console_formatter import ConsoleFormatter