Revert ggml : faster ssm scan (ggml-org#10558)

Author: Nexesenex

ggml/src/ggml-cuda/ggml-cuda.cu

@@ -34,8 +34,6 @@ bool g_mul_mat_q = true;
 #include "ggml-cuda/rope.cuh"
 #include "ggml-cuda/scale.cuh"
 #include "ggml-cuda/softmax.cuh"
-#include "ggml-cuda/ssm-conv.cuh"
-#include "ggml-cuda/ssm-scan.cuh"
 #include "ggml-cuda/sum.cuh"
 #include "ggml-cuda/sumrows.cuh"
 #include "ggml-cuda/tsembd.cuh"
@@ -2530,12 +2528,6 @@ static bool ggml_cuda_compute_forward(ggml_backend_cuda_context & ctx, struct gg
         case GGML_OP_SUM_ROWS:
             ggml_cuda_op_sum_rows(ctx, dst);
             break;
-        case GGML_OP_SSM_CONV:
-            ggml_cuda_op_ssm_conv(ctx, dst);
-            break;
-        case GGML_OP_SSM_SCAN:
-            ggml_cuda_op_ssm_scan(ctx, dst);
-            break;
         case GGML_OP_ARGSORT:
             ggml_cuda_op_argsort(ctx, dst);
             break;
@@ -3453,8 +3445,6 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
         case GGML_OP_SIN:
         case GGML_OP_COS:
         case GGML_OP_CLAMP:
-        case GGML_OP_SSM_SCAN:
-        case GGML_OP_SSM_CONV:
             return true;
         case GGML_OP_CONT:
             return op->src[0]->type != GGML_TYPE_BF16;