llama : remove deprecated llama_kv_self API (#15472)

ggml-ci

src/llama-context.h

@@ -46,10 +46,8 @@ struct llama_context {
 
     llama_memory_t get_memory() const;
 
-    // return true of the KV cache was updated
-    // TODO: remove
-    bool kv_self_update(bool optimize);
-    void kv_self_defrag_sched();
+    // return true if the memory was updated
+    bool memory_update(bool optimize);
 
     enum llama_pooling_type pooling_type() const;
 
@@ -230,9 +228,6 @@ private:
 
     std::unique_ptr<llama_memory_i> memory;
 
-    // TODO: temporary, until the llama_kv_self_defrag() API is removed
-    bool memory_force_optimize = false;
-
     // decode output (2-dimensional array: [n_outputs][n_vocab])
     size_t  logits_size = 0; // capacity (of floats) for logits
     float * logits      = nullptr;