Remove document::parse and document::load

tools/jsonpointer.cpp

@@ -52,7 +52,8 @@ int main(int argc, char *argv[]) {
   }
 
   const char *filename = argv[1];
-  auto [doc, error] = simdjson::document::load(filename);
+  simdjson::document::parser parser;
+  auto [doc, error] = parser.load(filename);
   if (error) { std::cerr << "Error parsing " << filename << ": " << error << std::endl; }
 
   std::cout << "[" << std::endl;