tests: Removed tests/configs/tgen files

These files were needed by the memory tests found in `tests/memory`, but
this directory already has local copies.

Change-Id: I04628b151d2ab60b1127990dbe8baaab77e768b1
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33136
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2 files changed