tests: fix gcp_compute_region_url_map

- remove the global health check (not necessary to create a backend
  service)
- configure backend service to external, as internal backend services
  cannot use the HTTP protocol.

tests/integration/targets/gcp_compute_region_url_map/aliases

@@ -1,2 +1 @@
 cloud/gcp
-unsupported

tests/integration/targets/gcp_compute_region_url_map/tasks/autogen.yml

@@ -13,29 +13,15 @@
 #
 # ----------------------------------------------------------------------------
 # Pre-test setup
-- name: create a health check
-  google.cloud.gcp_compute_health_check:
-    name: "{{ resource_name }}"
-    type: HTTP
-    http_health_check:
-      port: 80
-    check_interval_sec: 1
-    timeout_sec: 1
-    project: "{{ gcp_project }}"
-    auth_kind: "{{ gcp_cred_kind }}"
-    service_account_file: "{{ gcp_cred_file }}"
-    state: present
-  register: healthcheck
 - name: create a region backend service
   google.cloud.gcp_compute_region_backend_service:
     name: "{{ resource_name }}"
     region: us-central1
-    health_checks:
-    - "{{ healthcheck.selfLink }}"
     protocol: HTTP
     project: "{{ gcp_project }}"
     auth_kind: "{{ gcp_cred_kind }}"
     service_account_file: "{{ gcp_cred_file }}"
+    load_balancing_scheme: "EXTERNAL"
     state: present
   register: backendservice
 - name: delete a region URL map
@@ -144,26 +130,11 @@
   google.cloud.gcp_compute_region_backend_service:
     name: "{{ resource_name }}"
     region: us-central1
-    health_checks:
-    - "{{ healthcheck.selfLink }}"
     protocol: HTTP
     project: "{{ gcp_project }}"
     auth_kind: "{{ gcp_cred_kind }}"
     service_account_file: "{{ gcp_cred_file }}"
+    load_balancing_scheme: "EXTERNAL"
     state: absent
   register: backendservice
   ignore_errors: true
-- name: delete a health check
-  google.cloud.gcp_compute_health_check:
-    name: "{{ resource_name }}"
-    type: HTTP
-    http_health_check:
-      port: 80
-    check_interval_sec: 1
-    timeout_sec: 1
-    project: "{{ gcp_project }}"
-    auth_kind: "{{ gcp_cred_kind }}"
-    service_account_file: "{{ gcp_cred_file }}"
-    state: absent
-  register: healthcheck
-  ignore_errors: true