monitor: Delete some default move ops

Fix clang-tidy errors like:
```
../monitor/fan.hpp:70:10: error: explicitly defaulted move assignment operator is implicitly deleted [-Werror,-Wdefaulted-function-deleted]
```

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I7f8f1b0b0dc2e5197283ff546054bb0ea5c25ac6
diff --git a/monitor/nonzero_speed_trust.hpp b/monitor/nonzero_speed_trust.hpp
index 9001579..18fc92b 100644
--- a/monitor/nonzero_speed_trust.hpp
+++ b/monitor/nonzero_speed_trust.hpp
@@ -23,8 +23,8 @@
     ~NonzeroSpeed() = default;
     NonzeroSpeed(const NonzeroSpeed&) = delete;
     NonzeroSpeed& operator=(const NonzeroSpeed&) = delete;
-    NonzeroSpeed(NonzeroSpeed&&) = default;
-    NonzeroSpeed& operator=(NonzeroSpeed&&) = default;
+    NonzeroSpeed(NonzeroSpeed&&) = delete;
+    NonzeroSpeed& operator=(NonzeroSpeed&&) = delete;
 
     /**
      * Constructor