presence: Delete some default move ops

Fix clang-tidy errors like:
```
../presence/fallback.hpp:34:15: error: explicitly defaulted move assignment operator is implicitly deleted [-Werror,-Wdefaulted-function-deleted]
```

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I6186d87618202c6e2151462edfa36d15b816286e
diff --git a/presence/fallback.hpp b/presence/fallback.hpp
index b9e2cbd..7306d5e 100644
--- a/presence/fallback.hpp
+++ b/presence/fallback.hpp
@@ -28,10 +28,10 @@
 {
   public:
     Fallback() = delete;
-    Fallback(const Fallback&) = default;
-    Fallback& operator=(const Fallback&) = default;
-    Fallback(Fallback&&) = default;
-    Fallback& operator=(Fallback&&) = default;
+    Fallback(const Fallback&) = delete;
+    Fallback& operator=(const Fallback&) = delete;
+    Fallback(Fallback&&) = delete;
+    Fallback& operator=(Fallback&&) = delete;
     ~Fallback() = default;
 
     /**