misc: Revert "tests: Add v22-0 tag for compiler-tests..."

This reverts commit 78bf9b1960.
https://gem5-review.googlesource.com/c/public/gem5/+/60569

Change-Id: I7d5e8e99039d27f58589197d9f908f615187ee9b
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/60630
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>

tests/compiler-tests.sh

@@ -103,7 +103,7 @@ for compiler in ${images[@]}; do
     # targets for this test
     build_indices=(${build_permutation[@]:0:$builds_count})
 
-    repo_name="${base_url}/${compiler}:v22-0"
+    repo_name="${base_url}/${compiler}:latest"
 
     # Grab compiler image
     docker pull $repo_name >/dev/null