fix: simplify PuLID ID extraction setup (#1664)

examples/common/common.h

@@ -133,10 +133,6 @@ struct SDContextParams {
     std::string control_net_path;
     std::string embedding_dir;
     std::string photo_maker_path;
-    // PuLID-Flux identity-preservation context path: the safetensors blob
-    // carrying the PerceiverAttentionCA cross-attention weights. Loaded
-    // once with the model. Per-generation pulid_id_embedding_path lives in
-    // SDGenerationParams below.
     std::string pulid_weights_path;
     sd_type_t wtype = SD_TYPE_COUNT;
     std::string tensor_type_rules;
@@ -239,9 +235,6 @@ struct SDGenerationParams {
     std::string pm_id_embed_path;
     float pm_style_strength = 20.f;
 
-    // PuLID-Flux: per-generation identity embedding (binary file produced by
-    // runtime-scripts/pulid_extract_id.py). Format documented in
-    // include/stable-diffusion.h sd_pulid_params_t.
     std::string pulid_id_embedding_path;
     float pulid_id_weight = 1.0f;