simplify o_deserialise

src/rstd/atomic.rs

@@ -45,7 +45,7 @@ pub trait AtomicExt: Atomic {
     }
 
     fn o_deserialise<'a, Ctx: Context<'a>>(dectx: &mut dyn DeCtx<'a, Ctx>) -> AParseResult<Self> {
-        Self::a_deserialize(dectx.deserializer())
+        Self::a_deserialize(dectx)
     }
 }