Mixed radix, begining rader

src/bfsk.rs

@@ -1,7 +1,6 @@
 // 2-FSK Modulator
 
 use crate::complex::Complex;
-use crate::fft::FFT;
 use crate::nco::Nco;
 
 pub struct BFSKMod<'a, T: Iterator<Item = bool>> {
@@ -54,7 +53,6 @@ pub struct BFSKDem {
 
     // State
     sample_index: u32,
-    fft: FFT,
 }
 
 impl BFSKDem {}