Prefer = default for default ctors and dtors

Change-Id: I6ef86691902be8d4dfea14b029e4aa59be982854
diff --git a/src/yang_access.cpp b/src/yang_access.cpp
index 79d1c08..7ca30a2 100644
--- a/src/yang_access.cpp
+++ b/src/yang_access.cpp
@@ -34,9 +34,7 @@
 {
 }
 
-YangAccess::~YangAccess()
-{
-}
+YangAccess::~YangAccess() = default;
 
 [[noreturn]] void YangAccess::getErrorsAndThrow() const
 {