style: drop decorative === comment banners from pi052 split

Replace the === separator banners (against repo style) with plain comments.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/lerobot/policies/pi052/modeling_pi052.py

@@ -68,12 +68,9 @@ from .configuration_pi052 import PI052Config
 logger = logging.getLogger(__name__)
 
 
-# ======================================================================
+# PI0.5 flow-matching model + helpers (pi052-specific). The generic dual-expert
-# PI0.5 flow-matching model + helpers (moved here from pi05_backbone.py).
+# transformer (PaliGemmaWithExpertModel, sdpa_attention_forward,
-# pi052-specific; the generic dual-expert transformer (PaliGemmaWithExpertModel,
+# compute_layer_complete, get_gemma_config) lives in lerobot.policies.pi_gemma.
-# sdpa_attention_forward, compute_layer_complete, get_gemma_config) lives in
-# ``lerobot.policies.pi_gemma`` and is imported above.
-# ======================================================================
 
 class ActionSelectKwargs(TypedDict, total=False):
     inference_delay: int | None

src/lerobot/policies/pi_gemma.py

@@ -383,12 +383,10 @@ __all__ = [
 ]
 
 
-# ======================================================================
+# PI0.5 / PI052 dual-expert backbone: generic PaliGemma + Gemma action-expert
-# PI0.5 / PI052 dual-expert backbone (moved here from pi052/pi05_backbone.py).
+# transformer machinery used by the pi052 policy. GemmaVariantConfig is openpi's
-# Generic PaliGemma + Gemma action-expert transformer machinery shared by the
+# width/depth variant config (renamed from GemmaConfig to avoid clashing with
-# pi052 policy. ``GemmaVariantConfig`` is openpi's width/depth variant config
+# transformers' GemmaConfig).
-# (renamed from GemmaConfig to avoid clashing with transformers' GemmaConfig).
-# ======================================================================
 
 def sdpa_attention_forward(
     module,