Don't reserve space for next_phi next

src/feature_creation/feature_space/FeatureSpace.cpp

@@ -66,7 +66,7 @@ void FeatureSpace::generate_feature_space()
 
         int feat_ind = _n_feat + node_value_arrs::get_max_number_features(_allowed_ops, 1, start_end[0]);
 
-        next_phi.reserve(node_value_arrs::get_max_number_features(_allowed_ops, 1, start_end[1] - start_end[0]));
+        // next_phi.reserve(node_value_arrs::get_max_number_features(_allowed_ops, 1, start_end[1] - start_end[0]));
 
         for(auto feat_1 = _phi.begin() + start_end[0]; feat_1 != _phi.begin() + start_end[1]; ++feat_1)
         {