Fix int4 MoE tuner config filename (#35260)

Signed-off-by: maithilijoshi20 <maithilij2003@gmail.com>

benchmark/kernels/fused_moe_triton/common_utils.py

@@ -321,8 +321,6 @@ def get_config_filename(
     # NOTE(woosuk): The current naming convention uses w2.shape[2], which
     # is the intermediate size after silu_and_mul.
     N = shard_intermediate_size // 2
-    if use_int4_w4a16:
-        N = N // 2
 
     filename = get_config_file_name(
         num_experts,

benchmark/kernels/fused_moe_triton/tuning_fused_moe_triton.py

@@ -281,8 +281,6 @@ class BenchmarkWorker:
         block_n = block_shape[0] if block_shape else 0
         block_k = block_shape[1] if block_shape else 0
         N = shard_intermediate_size // 2
-        if use_int4_w4a16:
-            N = N // 2
         op_config = get_moe_configs(
             num_experts,
             N,