[LYN-1731] Removed temporary bus for checking if the new viewport interaction model is enabled.

Code/Sandbox/Editor/IEditorImpl.h

@@ -339,8 +339,6 @@ public:
     QMimeData* CreateQMimeData() const override;
     void DestroyQMimeData(QMimeData* data) const override;
 
-    bool IsNewViewportInteractionModelEnabled() const override;
-
 protected:
 
     AZStd::string LoadProjectIdFromProjectData();
@@ -442,7 +440,5 @@ protected:
 
     CryMutex m_pluginMutex; // protect any pointers that come from plugins, such as the source control cached pointer.
     static const char* m_crashLogFileName;
-
-    bool m_isNewViewportInteractionModelEnabled = true;
 };