fix: remove bong_tangent and flow_shift to match upstream stable-diffusion.cpp d950627

Author: localai-bot

backend/go/stablediffusion-ggml/gosd.cpp

@@ -39,7 +39,6 @@ const char* sample_method_str[] = {
     "ipndm",
     "ipndm_v",
     "lcm",
-    "bong_tangent",
     "ddim_trailing",
     "tcd",
     "res_multistep",
@@ -60,7 +59,6 @@ const char* schedulers[] = {
     "smoothstep",
     "kl_optimal",
     "lcm",
-    "bong_tangent",
 };
 
 static_assert(std::size(schedulers) == SCHEDULER_COUNT, "schedulers mismatch");
@@ -727,7 +725,7 @@ int load_model(const char *model, char *model_path, char* options[], int threads
     ctx_params.chroma_use_dit_mask = chroma_use_dit_mask;
     ctx_params.chroma_use_t5_mask = chroma_use_t5_mask;
     ctx_params.chroma_t5_mask_pad = chroma_t5_mask_pad;
-    ctx_params.flow_shift = flow_shift;
+    // REMOVED: flow_shift not in upstream stable-diffusion.cpp
     sd_ctx_t* sd_ctx = new_sd_ctx(&ctx_params);
 
     if (sd_ctx == NULL) {