rm fftw deps in readme

lyblsgo

2023-04-21 73e410afb9eda1dfb4ff8a6f86ad405ab3e8c48d

 funasr/runtime/onnxruntime/tester/tester_rtf.cpp

@@ -141,6 +141,7 @@
    printf("total_time_wav %ld ms.\n", (long)(total_length * 1000));
    printf("total_time_comput %ld ms.\n", total_time / 1000);
    printf("total_rtf %05lf .\n", (double)total_time/ (total_length*1000000));
    printf("speedup %05lf .\n", 1.0/((double)total_time/ (total_length*1000000)));

    FunASRUninit(AsrHandle);
    return 0;