chore: clippy (#1889)

# What does this PR do?

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# Motivation

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Co-authored-by: bob.weinand <bob.weinand@datadoghq.com>

Author: Aaalibaba42

libdd-common-ffi/src/vec.rs

@@ -181,7 +181,7 @@ mod tests {
         let vec = vec![0, 2, 4, 6];
         let ffi_vec: Vec<u8> = Vec::from(vec.clone());
 
-        for (a, b) in vec.iter().zip(ffi_vec.into_iter()) {
+        for (a, b) in vec.iter().zip(&ffi_vec) {
             assert_eq!(a, b)
         }
     }

libdd-trace-obfuscation/src/ip_address.rs

@@ -104,12 +104,8 @@ fn parse_ip(s: &str) -> Option<(&str, &str)> {
         match ch {
             '0'..='9' => continue,
             '.' | '-' | '_' => return parse_ip_v4(s, ch),
-            ':' | 'A'..='F' | 'a'..='f' => {
-                if s.parse::<Ipv6Addr>().is_ok() {
-                    return Some((s, ""));
-                } else {
-                    return None;
-                }
+            ':' | 'A'..='F' | 'a'..='f' if s.parse::<Ipv6Addr>().is_ok() => {
+                return Some((s, ""));
             }
             '[' => {
                 // Parse IPv6 in [host]:port format