Wire up /batches in skiaserve

tools/skiaserve/Response.h

Index: tools/skiaserve/Response.h
diff --git a/tools/skiaserve/Response.h b/tools/skiaserve/Response.h
index ef115e9d23a4c89ab5bfb79e6eaf9f0430f5a44b..7655d6f354a9616e76bf3af5d00e807904033ff3 100644
--- a/tools/skiaserve/Response.h
+++ b/tools/skiaserve/Response.h
@@ -21,8 +21,6 @@ namespace Response {
     int SendData(MHD_Connection* connection, const SkData* data, const char* type,
                  bool setContentDisposition = false, const char* dispositionString = nullptr);
 
-    int SendJSON(MHD_Connection* connection, Request* request, int n);
-
     int SendTemplate(MHD_Connection* connection, bool redirect = false,
                      const char* redirectUrl = nullptr);
 }