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/repository.hpp b/extensions/openpower-pels/repository.hpp
index 483f619..a3fcf91 100644
--- a/extensions/openpower-pels/repository.hpp
+++ b/extensions/openpower-pels/repository.hpp
@@ -135,9 +135,9 @@
     Repository() = delete;
     ~Repository() = default;
     Repository(const Repository&) = default;
-    Repository& operator=(const Repository&) = default;
-    Repository(Repository&&) = default;
-    Repository& operator=(Repository&&) = default;
+    Repository& operator=(const Repository&) = delete;
+    Repository(Repository&&) = delete;
+    Repository& operator=(Repository&&) = delete;
 
     /**
      * @brief Constructor