Fixes #24192 - Clean up auth_source_selected action leftovers
The `UsersController#auth_source_selected` action was removed in commit feacea35f07f362d9e2c694a83516bbc902321a0 but a few leftovers remain in the code. This commit removes them.
Related issues
Refactor #24192: remove unused reference to long gone auth_source_selected action
Added by Tomer Brisker almost 6 years ago
Fixes #24192 - Clean up auth_source_selected action leftovers
The `UsersController#auth_source_selected` action was removed in commit
feacea35f07f362d9e2c694a83516bbc902321a0 but a few leftovers remain in
the code. This commit removes them.