disable building tools post upstream reorganization

* ggml-org/llama.cpp#13249

Author: brittlewis12

llama-cpp-sys-2/build.rs

@@ -268,6 +268,7 @@ fn main() {
     config.define("LLAMA_BUILD_TESTS", "OFF");
     config.define("LLAMA_BUILD_EXAMPLES", "OFF");
     config.define("LLAMA_BUILD_SERVER", "OFF");
+    config.define("LLAMA_BUILD_TOOLS", "OFF");
     config.define("LLAMA_CURL", "OFF");
 
     config.define(