clippy: a couple more lints

TBH I had thought we'd fixed these years ago..

Author: apoelstra

src/descriptor/key.rs

@@ -1203,9 +1203,7 @@ impl<K: InnerXKey> DescriptorXKey<K> {
         };
 
         if &compare_fingerprint == fingerprint
-            && compare_path
-                .into_iter()
-                .eq(path_excluding_wildcard.into_iter())
+            && compare_path.into_iter().eq(&path_excluding_wildcard)
         {
             Some(path_excluding_wildcard)
         } else {

src/miniscript/mod.rs

@@ -604,7 +604,7 @@ impl<Ctx: ScriptContext> Miniscript<Ctx::Key, Ctx> {
 /// The type information and extra properties are implied by the AST.
 impl<Pk: MiniscriptKey, Ctx: ScriptContext> PartialOrd for Miniscript<Pk, Ctx> {
     fn partial_cmp(&self, other: &Miniscript<Pk, Ctx>) -> Option<cmp::Ordering> {
-        Some(self.node.cmp(&other.node))
+        Some(self.cmp(other))
     }
 }