[release][ci] renaming release tests (#58249)

removing core_ prefix used on release tests for testing purposes

Original change:
https://github.com/ray-project/ray/pull/57049/files#diff-5879986113a0287dff865f81faf24a2294660b6c4767d5a71fc6281e78101ad6R1380

Signed-off-by: elliot-barn <[email protected]>
Co-authored-by: Lonnie Liu <[email protected]>

Author: elliot-barn

release/release_tests.yaml

@@ -1433,7 +1433,7 @@
         cluster_compute: rte_gce_small.yaml
 
 
-- name: core_runtime_env_wheel_urls
+- name: runtime_env_wheel_urls
   python: "3.10"
   group: Runtime env tests
   working_dir: runtime_env_tests
@@ -3798,7 +3798,7 @@
       run:
         script: RAY_UP_enable_autoscaler_v2=1 python launch_and_verify_cluster.py gcp/example-gpu-docker.yaml
 
-- name: core_autoscaler_aws
+- name: autoscaler_aws
   python: "3.10"
   group: autoscaler-test
   working_dir: autoscaling_tests