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/network/cloudengine/ce_ospf.py

@@ -39,67 +39,46 @@ options:
             - Specifies the area ID. The area with the area-id being 0 is a backbone area.
               Valid values are a string, formatted as an IP address
               (i.e. "0.0.0.0") or as an integer between 1 and 4294967295.
-        required: false
-        default: null
     addr:
         description:
             - Specifies the address of the network segment where the interface resides.
               The value is in dotted decimal notation.
-        required: false
-        default: null
     mask:
         description:
             - IP network wildcard bits in decimal format between 0 and 32.
-        required: false
-        default: null
     auth_mode:
         description:
             - Specifies the authentication type.
-        required: false
         choices: ['none', 'hmac-sha256', 'md5', 'hmac-md5', 'simple']
-        default: null
     auth_text_simple:
         description:
             - Specifies a password for simple authentication.
               The value is a string of 1 to 8 characters.
-        required: false
-        default: null
     auth_key_id:
         description:
             - Authentication key id when C(auth_mode) is 'hmac-sha256', 'md5' or 'hmac-md5.
               Valid value is an integer is in the range from 1 to 255.
-        required: false
-        default: null
     auth_text_md5:
         description:
             - Specifies a password for MD5, HMAC-MD5, or HMAC-SHA256 authentication.
               The value is a string of 1 to 255 case-sensitive characters, spaces not supported.
-        required: false
-        default: null
     nexthop_addr:
         description:
             - IPv4 address for configure next-hop address's weight.
               Valid values are a string, formatted as an IP address.
-        required: false
-        default: null
     nexthop_weight:
         description:
             - Indicates the weight of the next hop.
               The smaller the value is, the higher the preference of the route is.
               It is an integer that ranges from 1 to 254.
-        required: false
-        default: null
     max_load_balance:
         description:
             - The maximum number of paths for forward packets over multiple paths.
               Valid value is an integer in the range from 1 to 64.
-        required: false
-        default: null
     state:
         description:
             - Determines whether the config should be present or not
               on the device.
-        required: false
         default: present
         choices: ['present','absent']
 '''