fix: Remove unused ssm_in_b

Branch: GraniteFour

Signed-off-by: Gabe Goodhart <ghart@us.ibm.com>

Author: gabe-l-hart

src/llama-model.cpp

@@ -3454,7 +3454,6 @@ bool llama_model::load_tensors(llama_model_loader & ml) {
                         if (hparams.is_recurrent(i)) {
                             // ssm layers
                             layer.ssm_in = create_tensor(tn(LLM_TENSOR_SSM_IN, "weight", i), {n_embd, d_in_proj}, 0);
-                            layer.ssm_in_b = create_tensor(tn(LLM_TENSOR_SSM_IN, "bias", i), {n_embd, d_in_proj}, TENSOR_NOT_REQUIRED);
 
                             layer.ssm_conv1d = create_tensor(tn(LLM_TENSOR_SSM_CONV1D, "weight", i), {d_conv, d_inner + 2*n_group*d_state}, 0);
                             layer.ssm_conv1d_b = create_tensor(tn(LLM_TENSOR_SSM_CONV1D, "bias", i), {d_inner + 2*n_group*d_state}, TENSOR_NOT_REQUIRED);

src/llama-model.h

@@ -261,7 +261,6 @@ struct llama_layer {
     // mamba bias
     struct ggml_tensor * ssm_conv1d_b = nullptr;
     struct ggml_tensor * ssm_dt_b     = nullptr;
-    struct ggml_tensor * ssm_in_b     = nullptr;
 
     // rwkv
     struct ggml_tensor * time_mix_w1         = nullptr;