Remove ridiculous println

src/main.rs

@@ -416,7 +416,6 @@ fn fmt_engineering(f: f64, precision: usize) -> String {
         .replacen(".", "", 1)
         // Add 00E before E here so the length is enough for slicing below
         .replacen("E", "00E", 1);
-    println!("{}", all);
     // Extract mantissa and the string representation of the exponent. Unwrap should be safe as formatter will insert E
     // 1000E3 => (1000, E3)
     let (num_str, exp_str) = all.split_at(all.find('E').unwrap());