Remove unused imports from good_10t_e128

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: github-actions[bot]

experiments/grug/moe/good_10t_e128.py

@@ -17,19 +17,11 @@
 """
 
 import math
-import os
-from dataclasses import field
-from datetime import timedelta
 
-import jmp
 from fray.cluster import ResourceConfig
-from levanter.callbacks.profiler import ProfilerConfig
-from levanter.checkpoint import CheckpointerConfig
 from levanter.optim import AdamConfig
 from levanter.tracker.wandb import WandbConfig
-from levanter.trainer import TrainerConfig
 from levanter.utils.flop_utils import lm_flops_per_token
-from levanter.utils.mesh import MeshConfig
 from marin.execution.executor import ExecutorStep, executor_main, this_output_path, versioned
 from marin.processing.tokenize import add_validation_sets_to_mixture