clang-tidy: Delete unused copy/move ctor/operator

Explicitly delete the copy assignment, move assignment, and move
constructors on the classes where they are unused.

Change-Id: I73298debb4e3e894af5a02006b87d26b70f4535d
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/extensions/openpower-pels/stream.hpp b/extensions/openpower-pels/stream.hpp
index c19b387..014cc3d 100644
--- a/extensions/openpower-pels/stream.hpp
+++ b/extensions/openpower-pels/stream.hpp
@@ -52,9 +52,9 @@
     Stream() = delete;
     ~Stream() = default;
     Stream(const Stream&) = default;
-    Stream& operator=(const Stream&) = default;
-    Stream(Stream&&) = default;
-    Stream& operator=(Stream&&) = default;
+    Stream& operator=(const Stream&) = delete;
+    Stream(Stream&&) = delete;
+    Stream& operator=(Stream&&) = delete;
 
     /**
      * @brief Constructor