fix: remove unused imports (LiteLLM, time) to pass ruff lint

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/openjarvis/evals/backends/terminalbench_native.py

@@ -15,7 +15,6 @@ LOGGER = logging.getLogger(__name__)
 
 try:
     from terminal_bench import BenchmarkResults, Harness
-    from terminal_bench.llms.lite_llm import LiteLLM
 
     _HAS_TB = True
 except ImportError:

src/openjarvis/evals/cli.py

@@ -597,7 +597,6 @@ def _run_terminalbench_native(config, console: Console) -> object:
     )
 
     import re
-    import time
     # Docker compose project names must be lowercase alphanumeric + hyphens/underscores
     model_slug = re.sub(r"[^a-z0-9_-]", "-", model.lower().replace("/", "-"))
     run_id = f"tb2-{model_slug}"