Revert "Heri & Sophie | #2847 | Column headers visible on the Import Subject pop up"

This reverts commit de8bbab0f6df6ba8844a2581132ad84e5e8a486a.
Revert "Heri & Sophie | #2847 | Column headers visible on the Import Subject pop up"

This reverts commit 7948f2891cf874f9fe4bbb4f6733d443b54c956d.
Ajay/Pooja | #2847 | Hiding success table header by default