Revert LLAMA_CHATML_TEMPLATE refactor

Author: ochafik

common/common.cpp

@@ -74,15 +74,6 @@
 #endif
 #define LLAMA_CURL_MAX_URL_LENGTH 2084 // Maximum URL Length in Chrome: 2083
 
-const std::string LLAMA_CHATML_TEMPLATE(R"(
-    {%- for message in messages -%}
-        {{- "<|im_start|>" + message.role + "\n" + message.content + "<|im_end|>\n" -}}
-    {%- endfor -%}
-    {%- if add_generation_prompt -%}
-        {{- "<|im_start|>assistant\n" -}}
-    {%- endif -%}
-)");
-
 //
 // CURL utils
 //
@@ -1846,7 +1837,14 @@ llama_chat_templates llama_chat_templates_from_model(const struct llama_model *
         if (!tool_use_template_src.empty()) {
             default_template_src = tool_use_template_src;
         } else {
-            default_template_src = LLAMA_CHATML_TEMPLATE;
+            default_template_src = R"(
+                {%- for message in messages -%}
+                    {{- "<|im_start|>" + message.role + "\n" + message.content + "<|im_end|>\n" -}}
+                {%- endfor -%}
+                {%- if add_generation_prompt -%}
+                    {{- "<|im_start|>assistant\n" -}}
+                {%- endif -%}
+            )";
         }
     }
     return {

common/common.h

@@ -26,8 +26,6 @@
 
 #define DEFAULT_MODEL_PATH "models/7B/ggml-model-f16.gguf"
 
-extern const std::string LLAMA_CHATML_TEMPLATE;
-
 struct common_adapter_lora_info {
     std::string path;
     float scale;

tests/test-chat-template.cpp

@@ -8,7 +8,6 @@
 #include "llama.h"
 #include "common.h"
 #include "chat-template.hpp"
-#include "llama-chat.h"
 
 int main(void) {
     std::vector<llama_chat_message> conversation {
@@ -365,7 +364,5 @@ int main(void) {
     assert(fmt_single("llama3") == "<|start_header_id|>user<|end_header_id|>\n\nHow are you<|eot_id|><|start_header_id|>assistant<|end_header_id|>\n\n");
     assert(fmt_single("gigachat") == "user<|role_sep|>How are you<|message_sep|>available functions<|role_sep|>[]<|message_sep|>assistant<|role_sep|>");
 
-    assert(llm_chat_detect_template(LLAMA_CHATML_TEMPLATE) == LLM_CHAT_TEMPLATE_CHATML);
-
     return 0;
 }