Deepseek-V3 toml file minor fix (#1894)

As titled, after #1871

Author: wwwjn

torchtitan/models/deepseek_v3/train_configs/deepseek_v3_16b.toml

@@ -1,7 +1,7 @@
 [job]
 dump_folder = "./outputs"
 description = "DeepSeek-V3 16B model training"
-print_args = false
+print_config = false
 
 [profiling]
 enable_profiling = false

torchtitan/models/deepseek_v3/train_configs/deepseek_v3_671b.toml

@@ -1,7 +1,7 @@
 [job]
 dump_folder = "./outputs"
 description = "DeepSeek-V3 671B model training"
-print_args = false
+print_config = false
 
 [profiling]
 enable_profiling = false