Revert "issue NXP-13252: improve oracle connection closed detection (fixing infinite recursive loop regression)"

This reverts commit 56396c28ae96cfb13c6061d52722ffe7d97b54d0.
Revert "NXP-13252: improve oracle connection closed detection (fix test case)"

This reverts commit f195cee413eb0e53b6c6c4332805fa4c87a5592d.
Revert "NXP-13252: improve oracle connection closed detection"

This reverts commit bb178df2d79993a6cbfa45614dc37a0746d9f7de.