Removed legacy editor DatabaseLibrary code.

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

Code/Editor/IEditorImpl.h

@@ -157,7 +157,6 @@ public:
     void LockSelection(bool bLock) override;
     bool IsSelectionLocked() override;
 
-    IDataBaseManager* GetDBItemManager(EDataBaseItemType itemType) override;
     CMusicManager* GetMusicManager() override { return m_pMusicManager; };
 
     IEditorFileMonitor* GetFileMonitor() override;
@@ -294,8 +293,6 @@ public:
     void RegisterObjectContextMenuExtension(TContextMenuExtensionFunc func) override;
 
     SSystemGlobalEnvironment* GetEnv() override;
-    IBaseLibraryManager* GetMaterialManagerLibrary() override; // Vladimir@Conffx
-    IEditorMaterialManager* GetIEditorMaterialManager() override; // Vladimir@Conffx
     IImageUtil* GetImageUtil() override;  // Vladimir@conffx
     SEditorSettings* GetEditorSettings() override;
     ILogFile* GetLogFile() override { return m_pLogFile; }