fix: remove unused imports to pass ruff linting

Remove unused pytest and Path imports from test files.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: drernie

deploy/tests/test_config.py

@@ -1,9 +1,6 @@
 """Tests for configuration management."""
 
 import json
-from pathlib import Path
-
-import pytest
 
 from lib.config import DeploymentConfig
 

deploy/tests/test_terraform.py

@@ -1,9 +1,5 @@
 """Tests for Terraform orchestrator."""
 
-from pathlib import Path
-
-import pytest
-
 from lib.terraform import TerraformOrchestrator, TerraformResult
 
 

deploy/tests/test_utils.py

@@ -1,9 +1,5 @@
 """Tests for utility functions."""
 
-from pathlib import Path
-
-import pytest
-
 from lib.utils import format_dict, render_template, safe_get