simplified few more lines

verification/src/compact.rs

@@ -27,7 +27,7 @@ impl Compact {
 		let mut word = self.0 & 0x007fffff;
 
 		let result = if size <= 3 {
-			word = word >> (8 * (3 - size as usize));
+			word >>= (8 * (3 - size as usize));
 			word.into()
 		} else {
 			U256::from(word) << (8 * (size as usize - 3))
@@ -55,7 +55,7 @@ impl Compact {
 		};
 
 		if (compact & 0x00800000) != 0 {
-			compact = compact >> 8;
+			compact >>= 8;
 			size += 1;
 		}
 

verification/src/utils.rs

@@ -179,8 +179,4 @@ mod tests {
 		let nbits = 404129525;
 		assert!(check_nbits(&hash, nbits));
 	}
-
-	#[test]
-	fn threshold() {
-	}
 }