IVGCVSW-2672 Code cleanup after changes

 * Minor code cleanup and refactoring

Change-Id: I9c6390c15944686134ddf4b47839762f2bb13922
Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
diff --git a/include/armnn/Types.hpp b/include/armnn/Types.hpp
index baf7443..598eaaf 100644
--- a/include/armnn/Types.hpp
+++ b/include/armnn/Types.hpp
@@ -114,8 +114,8 @@
 class IDeviceSpec
 {
 protected:
-    IDeviceSpec() {};
-    virtual ~IDeviceSpec() {};
+    IDeviceSpec() {}
+    virtual ~IDeviceSpec() {}
 };
 
 /// Type of identifiers for bindable layers (inputs, outputs).