Revert "switch to new netconf format"

This reverts commit 69d54cfb2b2f0b0112f8ef84bcfcb9c58c9213d7.
Revert "implement network launch from new style config"

This reverts commit aa5015f05104185746e32897a8bde606ea003aad.
Revert "add new structure of network configuration"

This reverts commit c7251eb3f3fd621006347dbf9cae84e088d08a54.