Need to remove zoo-core dependencies from BigDL. @yangw1234 Please check if we still need [tfnet](https://github.com/intel-analytics/analytics-zoo-core/tree/main/tfnet). If yes, we need to move it to BigDL-core
Need to remove zoo-core dependencies from BigDL.
@yangw1234 Please check if we still need tfnet.
If yes, we need to move it to BigDL-core