Remove use_FD_size_option
With the proposals for the TXT Buffer optimizations, it is no longer necessary to have use_fd_size option. Since all the buffers will be in SRAMs it has neglicible effect on the overall core size.
With the proposals for the TXT Buffer optimizations, it is no longer necessary to have use_fd_size option. Since all the buffers will be in SRAMs it has neglicible effect on the overall core size.