Remove a number of frontends to ResourceFetcher

sky/engine/core/fetch/ResourceFetcher.h

Index: sky/engine/core/fetch/ResourceFetcher.h
diff --git a/sky/engine/core/fetch/ResourceFetcher.h b/sky/engine/core/fetch/ResourceFetcher.h
index 5effe8267b2951d6a9b0d4620cc17eb2bb1a918b..bf612d13001ac2aa7630aa4365855bc2617a28f1 100644
--- a/sky/engine/core/fetch/ResourceFetcher.h
+++ b/sky/engine/core/fetch/ResourceFetcher.h
@@ -78,10 +78,6 @@ public:
 
     ResourcePtr<ImageResource> fetchImage(FetchRequest&);
     ResourcePtr<FontResource> fetchFont(FetchRequest&);
-    ResourcePtr<RawResource> fetchRawResource(FetchRequest&);
-    ResourcePtr<Resource> fetchLinkResource(Resource::Type, FetchRequest&);
-    ResourcePtr<RawResource> fetchImport(FetchRequest&);
-    ResourcePtr<RawResource> fetchMedia(FetchRequest&);
 
     // Logs an access denied message to the console for the specified URL.
     void printAccessDeniedMessage(const KURL&) const;