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_sflow.py

@@ -34,45 +34,31 @@ options:
     agent_ip:
         description:
             - Specifies the IPv4/IPv6 address of an sFlow agent.
-        required: false
-        default: null
     source_ip:
         description:
             - Specifies the source IPv4/IPv6 address of sFlow packets.
-        required: false
-        default: null
     collector_id:
         description:
             - Specifies the ID of an sFlow collector. This ID is used when you specify
               the collector in subsequent sFlow configuration.
-        required: false
-        default: null
         choices: ['1', '2']
     collector_ip:
         description:
             - Specifies the IPv4/IPv6 address of the sFlow collector.
-        required: false
-        default: null
     collector_ip_vpn:
         description:
             - Specifies the name of a VPN instance.
               The value is a string of 1 to 31 case-sensitive characters, spaces not supported.
               When double quotation marks are used around the string, spaces are allowed in the string.
               The value C(_public_) is reserved and cannot be used as the VPN instance name.
-        required: false
-        default: null
     collector_datagram_size:
         description:
             - Specifies the maximum length of sFlow packets sent from an sFlow agent to an sFlow collector.
               The value is an integer, in bytes. It ranges from 1024 to 8100. The default value is 1400.
-        required: false
-        default: null
     collector_udp_port:
         description:
             - Specifies the UDP destination port number of sFlow packets.
               The value is an integer that ranges from 1 to 65535. The default value is 6343.
-        required: false
-        default: null
     collector_meth:
         description:
             - Configures the device to send sFlow packets through service interfaces,
@@ -83,75 +69,51 @@ options:
               When the value is meth, the device forwards sFlow packets at the control plane.
               When the value is enhanced, the device forwards sFlow packets at the forwarding plane to
               enhance the sFlow packet forwarding capacity.
-        required: false
-        default: null
         choices: ['meth', 'enhanced']
     collector_description:
         description:
             - Specifies the description of an sFlow collector.
               The value is a string of 1 to 255 case-sensitive characters without spaces.
-        required: false
-        default: null
     sflow_interface:
         description:
             - Full name of interface for Flow Sampling or Counter.
               It must be a physical interface, Eth-Trunk, or Layer 2 subinterface.
-        required: false
-        default: null
     sample_collector:
         description:
             -  Indicates the ID list of the collector.
-        required: false
-        default: null
     sample_rate:
         description:
             - Specifies the flow sampling rate in the format 1/rate.
               The value is an integer and ranges from 1 to 4294967295. The default value is 8192.
-        required: false
-        default: null
     sample_length:
         description:
             - Specifies the maximum length of sampled packets.
               The value is an integer and ranges from 18 to 512, in bytes. The default value is 128.
-        required: false
-        default: null
     sample_direction:
         description:
             - Enables flow sampling in the inbound or outbound direction.
-        required: false
-        default: null
         choices: ['inbound', 'outbound', 'both']
     counter_collector:
         description:
             - Indicates the ID list of the counter collector.
-        required: false
-        default: null
     counter_interval:
         description:
             - Indicates the counter sampling interval.
               The value is an integer that ranges from 10 to 4294967295, in seconds. The default value is 20.
-        required: false
-        default: null
     export_route:
         description:
             - Configures the sFlow packets sent by the switch not to carry routing information.
-        required: false
-        default: null
         choices: ['enable', 'disable']
     rate_limit:
         description:
             - Specifies the rate of sFlow packets sent from a card to the control plane.
               The value is an integer that ranges from 100 to 1500, in pps.
-        required: false
-        default: null
     rate_limit_slot:
         description:
             - Specifies the slot where the rate of output sFlow packets is limited.
               If this parameter is not specified, the rate of sFlow packets sent from
               all cards to the control plane is limited.
               The value is an integer or a string of characters.
-        required: false
-        default: null
     forward_enp_slot:
         description:
             - Enable the Embedded Network Processor (ENP) chip function.
@@ -160,13 +122,10 @@ options:
               If you set the sampling interval to be larger than 65535,
               the switch automatically restores it to 65535.
               The value is an integer or 'all'.
-        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']
 """