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_mlag_interface.py

@@ -33,46 +33,32 @@ options:
     eth_trunk_id:
         description:
             - Name of the local M-LAG interface. The value is ranging from 0 to 511.
-        required: false
-        default: null
     dfs_group_id:
         description:
             - ID of a DFS group.The value is 1.
-        required: false
         default: present
     mlag_id:
         description:
             - ID of the M-LAG. The value is an integer that ranges from 1 to 2048.
-        required: false
-        default: null
     mlag_system_id:
         description:
             - M-LAG global LACP system MAC address. The value is a string of 0 to 255 characters. The default value
               is the MAC address of the Ethernet port of MPU.
-        required: false
-        default: null
     mlag_priority_id:
         description:
             - M-LAG global LACP system priority. The value is an integer ranging from 0 to 65535.
               The default value is 32768.
-        required: false
-        default: null
     interface:
         description:
             - Name of the interface that enters the Error-Down state when the peer-link fails.
               The value is a string of 1 to 63 characters.
-        required: false
-        default: null
     mlag_error_down:
         description:
             - Configure the interface on the slave device to enter the Error-Down state.
-        required: false
-        default: null
         choices: ['enable','disable']
     state:
         description:
             - Specify desired state of the resource.
-        required: false
         default: present
         choices: ['present','absent']