xmpp-parsers: Fix most of the clippy warnings

Only the non-looping loop is kept for now, until we find a better
solution.

parsers/src/rtt.rs

@@ -225,7 +225,7 @@ impl TryFrom<Element> for Rtt {
             seq,
             event,
             id,
-            actions: actions,
+            actions,
         })
     }
 }