Remove deprecated interval arg to delayed scaling recipe (#1607)

Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

tests/pytorch/distributed/test_fusible_ops.py

@@ -741,7 +741,6 @@ def _test_fp8_scale_update(
     fp8_format = transformer_engine.common.recipe.Format.HYBRID
     recipe = transformer_engine.common.recipe.DelayedScaling(
         margin=margin,
-        interval=1,
         fp8_format=fp8_format,
         amax_history_len=amax_history_len,
         amax_compute_algo=amax_compute_algo,

tests/pytorch/test_fusible_ops.py

@@ -288,7 +288,6 @@ class TestFuser:
         fp8_format = transformer_engine.common.recipe.Format.HYBRID
         recipe = transformer_engine.common.recipe.DelayedScaling(
             margin=margin,
-            interval=1,
             fp8_format=fp8_format,
             amax_history_len=8,
             amax_compute_algo="max",

tests/pytorch/test_recipe.py

@@ -176,7 +176,6 @@ class TestFP8Recipe:
         fp8_format = transformer_engine.common.recipe.Format.HYBRID
         recipe = transformer_engine.common.recipe.DelayedScaling(
             margin=margin,
-            interval=1,
             fp8_format=fp8_format,
             amax_history_len=amax_history_len,
             amax_compute_algo=amax_compute_algo,

transformer_engine/common/recipe/__init__.py

@@ -162,7 +162,6 @@ class DelayedScaling(Recipe):
     """
 
     margin: int = 0
-    interval: int = -1
     fp8_format: Format = Format.HYBRID
     amax_history_len: int = 1024
     amax_compute_algo: Union[Literal["max", "most_recent"], Callable] = "max"
@@ -173,12 +172,6 @@ class DelayedScaling(Recipe):
 
     def __post_init__(self) -> None:
         assert self.fp8_format != Format.E5M2, "Pure E5M2 training is not supported."
-        if self.interval >= 0:
-            warnings.warn(
-                "`interval` argument is deprecated and unused. "
-                "It will be removed in an upcoming release.",
-                DeprecationWarning,
-            )
 
     def __repr__(self) -> str:
         return (