remove `InternalDebugger` (#9680)

* wip

* reset _notebooks

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* reset _notebooks

* testing with mock

* update test with mock

* update test

* update tests

* update test

* remove track_load_dataloader_calls

* update last test

* remove unused imports

* remove InternalDebugger

* update changelog

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Carlos Mocholi <[email protected]>