[Misc]Reduce BNB static variable (#9987)

Signed-off-by: Jee Jee Li <pandaleefree@gmail.com>

vllm/model_executor/models/phi.py

@@ -274,8 +274,6 @@ class PhiForCausalLM(nn.Module, SupportsLoRA, SupportsPP):
     default_bitsandbytes_target_modules = [
         ".q_proj.", ".k_proj.", ".v_proj.", ".fc1.", ".fc2.", ".dense."
     ]
-    # in TP, these weights are partitioned along the column dimension (dim=-1)
-    column_parallel_weights_modules = [".fc2.", ".dense."]
 
     embedding_modules = {}
     embedding_padding_modules = []