Update on "Use llm_config instead of args in export_llama functions"

Differential Revision: [D75484927](https://our.internmc.facebook.com/intern/diff/D75484927)

[ghstack-poisoned]

Author: jackzhxng

backends/arm/test/models/test_llama.py

@@ -22,9 +22,7 @@
     TosaPipelineMI,
 )
 
-from executorch.examples.models.llama.config.llm_config_utils import (
-    convert_args_to_llm_config,
-)
+from executorch.examples.models.llama.config.llm_config import LlmConfig
 from executorch.examples.models.llama.export_llama_lib import (
     build_args_parser,
     get_llama_model,
@@ -92,7 +90,7 @@ def prepare_model(self):
         ]
         parser = build_args_parser()
         args = parser.parse_args(args)
-        llm_config = convert_args_to_llm_config(args)
+        llm_config = LlmConfig.from_args(args)
 
         llama_model, llama_inputs, llama_meta = get_llama_model(llm_config)
 

examples/models/llama/TARGETS

@@ -152,7 +152,6 @@ runtime.python_library(
         "//ai_codesign/gen_ai/fast_hadamard_transform:fast_hadamard_transform",
         "//caffe2:torch",
         "//executorch/examples/models/llama/config:llm_config",
-        "//executorch/examples/models/llama/config:llm_config_utils",
         "//executorch/backends/vulkan/_passes:vulkan_passes",
         "//executorch/exir/passes:init_mutable_pass",
         "//executorch/examples/models:model_base",