Removed unused IViewPane Editor class

Signed-off-by: Chris Galvan <chgalvan@amazon.com>

Code/Editor/Plugin.cpp

@@ -11,9 +11,6 @@
 
 #include "Plugin.h"
 
-// Editor
-#include "Include/IViewPane.h"
-
 #include <QMessageBox>
 
 CClassFactory* CClassFactory::s_pInstance = nullptr;
@@ -149,23 +146,6 @@ IClassDesc* CClassFactory::FindClass(const GUID& rClassID) const
     return pClassDesc;
 }
 
-IViewPaneClass* CClassFactory::FindViewPaneClassByTitle(const char* pPaneTitle) const
-{
-    for (size_t i = 0; i < m_classes.size(); i++)
-    {
-        IViewPaneClass* viewPane = nullptr;
-        IClassDesc* desc = m_classes[i];
-        if (SUCCEEDED(desc->QueryInterface(__az_uuidof(IViewPaneClass), (void**)&viewPane)))
-        {
-            if (QString::compare(viewPane->GetPaneTitle(), pPaneTitle) == 0)
-            {
-                return viewPane;
-            }
-        }
-    }
-    return nullptr;
-}
-
 void CClassFactory::UnregisterClass(const char* pClassName)
 {
     IClassDesc* pClassDesc = FindClass(pClassName);