tests: Removed learning-gem5 tests/configs

These configs are currently unused, and only served as redirects. They
are therefore being removed.

Change-Id: I12e5c2adb3a9c63ffc3177472eaa698b1cf80e41
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33144
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
2 files changed