Clean up module documentation (#36909)

* Clean up module documentation

This PR includes:
- Removal of `default: None` (and variations)
- Removal of `required: false`
- Fixing booleans and `type: bool` where required

* Fix remaining (new) validation issues

lib/ansible/modules/web_infrastructure/apache2_mod_proxy.py

@@ -27,42 +27,36 @@ description:
     python module.
 options:
   balancer_url_suffix:
-    default: /balancer-manager/
     description:
       - Suffix of the balancer pool url required to access the balancer pool
         status page (e.g. balancer_vhost[:port]/balancer_url_suffix).
-    required: false
+    default: /balancer-manager/
   balancer_vhost:
-    default: None
     description:
       - (ipv4|ipv6|fqdn):port of the Apache httpd 2.4 mod_proxy balancer pool.
     required: true
   member_host:
-    default: None
     description:
       - (ipv4|ipv6|fqdn) of the balancer member to get or to set attributes to.
         Port number is autodetected and should not be specified here.
         If undefined, apache2_mod_proxy module will return a members list of
         dictionaries of all the current balancer pool members' attributes.
-    required: false
   state:
-    default: None
     description:
       - Desired state of the member host.
         (absent|disabled),drained,hot_standby,ignore_errors can be
         simultaneously invoked by separating them with a comma (e.g. state=drained,ignore_errors).
-    required: false
     choices: ["present", "absent", "enabled", "disabled", "drained", "hot_standby", "ignore_errors"]
   tls:
-    default: false
     description:
       - Use https to access balancer management page.
-    choices: ["true", "false"]
+    type: bool
+    default: 'no'
   validate_certs:
-    default: true
     description:
       - Validate ssl/tls certificates.
-    choices: ["true", "false"]
+    type: bool
+    default: 'yes'
 '''
 
 EXAMPLES = '''