Remove unused code.

Author: kwokcb

source/MaterialXRender/ImageHandler.cpp

@@ -70,30 +70,6 @@ void ImageHandler::addLoader(ImageLoaderPtr loader)
     }
 }
 
-unsigned int ImageHandler::addLoaders(const ImageHandlerPtr& handler)
-{
-    unsigned int count = 0;
-    if (handler)
-    {
-        // Find all unique loaders 
-        std::unordered_set<ImageLoaderPtr> uniqueLoaders;
-        for (const auto& pair : handler->_imageLoaders)
-        {
-            for (ImageLoaderPtr loader : pair.second)
-            {
-                uniqueLoaders.insert(loader);
-            }
-        }
-        for (ImageLoaderPtr loader : uniqueLoaders)
-        {
-            addLoader(loader);
-            count++;
-        }
-    }
-
-    return count;
-}
-
 StringSet ImageHandler::supportedExtensions()
 {
     StringSet extensions;

source/MaterialXRender/ImageHandler.h

@@ -173,9 +173,6 @@ class MX_RENDER_API ImageHandler
     /// existing loaders cannot load a given image.
     void addLoader(ImageLoaderPtr loader);
 
-    /// Add image loaders from another handler to this one
-    unsigned int addLoaders(const ImageHandlerPtr& handler);
-
     /// Get a list of extensions supported by the handler.
     StringSet supportedExtensions();