Revert "Add test for fix using loop_control with delegate_to (#33809)"

This reverts commit adf8927c74.

This test uses features not found in ansible-2.4

test/integration/targets/delegate_to/runme.sh

@@ -4,5 +4,3 @@ set -eux
 
 ANSIBLE_SSH_ARGS='-C -o ControlMaster=auto -o ControlPersist=60s -o UserKnownHostsFile=/dev/null' \
     ANSIBLE_HOST_KEY_CHECKING=false ansible-playbook test_delegate_to.yml -i ../../inventory -v "$@"
-
-ansible-playbook test_loop_control.yml -v "$@"

test/integration/targets/delegate_to/test_loop_control.yml

@@ -1,16 +0,0 @@
-- hosts: localhost
-  gather_facts: no
-  tasks:
-    - name: Test delegate_to with loop_control
-      ping:
-      delegate_to: "{{ item }}"
-      with_items:
-        - localhost
-      loop_control:
-        label: "{{ item }}"
-      register: out
-
-    - name: Check if delegated_host was templated properly
-      assert:
-        that:
-          - out.results[0]['_ansible_delegated_vars']['ansible_delegated_host'] == 'localhost'