resources: Removed RISCV Insttests

The RISCV Insttests were removed from gem5 in this change:
https://gem5-review.googlesource.com/c/public/gem5/+/33147

Change-Id: Iba893a5005e6e2a079fab006464a6a371cd95f54
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-resources/+/33395
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby R. Bruce <bbruce@ucdavis.edu>
16 files changed
tree: bd3baf8e4399216b2bdcaf7d35a38646e7070828
  1. src/
  2. .gitignore
  3. README.md