server: remove default "gpt-3.5-turbo" model name#17668

ngxson merged 4 commits intoggml-org:masterggml-org/llama.cpp:masterfrom

ngxson:xsn/server_remove_gpt_3_namengxson/llama.cpp:xsn/server_remove_gpt_3_nameCopy head branch name to clipboard