Don't run wasm64_v8 tests suite as part of CI (emscripten-core#18864)

Keep the test suite around in case its useful in the future, but in
general I've moved to testing under node canary.

Author: sbc100

.circleci/config.yml

@@ -535,9 +535,6 @@ jobs:
       # hardcodes /root into its launcher scripts do we need to reinstall v8.
       - run: rm -rf $HOME/.jsvu
       - install-v8
-      - run-tests:
-          title: "wasm64_v8"
-          test_targets: "wasm64_v8"
       - run-tests:
           title: "wasm64l"
           test_targets: "wasm64l"