Fix some minor things

Removes unnecessary things added during development.

Signed-off-by: amzn-phist <52085794+amzn-phist@users.noreply.github.com>

Gems/AudioSystem/Code/Source/Editor/AudioControl.h

@@ -42,7 +42,7 @@ namespace AudioControls
         // into the new destination tree.
         [[nodiscard]] static AZStd::unique_ptr<AZ::rapidxml::xml_node<char>> DeepCopyNode(AZ::rapidxml::xml_node<char>* srcNode)
         {
-            AZStd::unique_ptr<AZ::rapidxml::xml_node<char>> destNode{};
+            AZStd::unique_ptr<AZ::rapidxml::xml_node<char>> destNode;
             if (srcNode)
             {
                 XmlAllocator& xmlAlloc(AudioControls::s_xmlAllocator);

Gems/AudioSystem/Code/Source/Editor/AudioControlsLoader.cpp

@@ -553,7 +553,7 @@ namespace AudioControls
     }
 
     //-------------------------------------------------------------------------------------------//
-    CATLControl* CAudioControlsLoader::CreateInternalSwitchState(CATLControl* parentControl, [[maybe_unused]] const AZStd::string& switchName, const AZStd::string& stateName)
+    CATLControl* CAudioControlsLoader::CreateInternalSwitchState(CATLControl* parentControl, const AZStd::string& switchName, const AZStd::string& stateName)
     {
         CATLControl* childControl = m_atlControlsModel->CreateControl(stateName, eACET_SWITCH_STATE, parentControl);