Revert "Configurable list of facts modules (#31783)" (#40022)

This reverts commit 95655fae5c.

test/integration/targets/gathering/implicit.yml

@@ -1,23 +0,0 @@
-- hosts: testhost
-  tasks:
-    - name: check that facts were gathered but no local facts exist
-      assert:
-        that:
-            - ansible_facts is defined and 'fqdn' in ansible_facts
-            - not 'uuid' in ansible_local
-    - name: create 'local facts' for next gathering
-      copy:
-        src: uuid.fact
-        dest: /etc/ansible/facts.d/
-        mode: 0755
-
-- hosts: testhost
-  tasks:
-    - name: ensure facts are gathered and includes the new 'local facts' created above
-      assert:
-        that:
-            - ansible_facts is defined and 'fqdn' in ansible_facts
-            - "'uuid' in ansible_local"
-
-    - name: cleanup 'local facts' from target
-      file: path=/etc/ansible/facts.d/uuid.fact state=absent