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/eos/eos_command.py

@@ -53,8 +53,6 @@ options:
         by the configured retries, the task fails.
         Note - With I(wait_for) the value in C(result['stdout']) can be accessed
         using C(result), that is to access C(result['stdout'][0]) use C(result[0]) See examples.
-    required: false
-    default: null
     aliases: ['waitfor']
     version_added: "2.2"
   match:
@@ -65,7 +63,6 @@ options:
         then all conditionals in the I(wait_for) must be satisfied.  If
         the value is set to C(any) then only one of the values must be
         satisfied.
-    required: false
     default: all
     choices: ['any', 'all']
     version_added: "2.2"
@@ -75,7 +72,6 @@ options:
         before it is considered failed.  The command is run on the
         target device every retry and evaluated against the I(wait_for)
         conditionals.
-    required: false
     default: 10
   interval:
     description:
@@ -83,7 +79,6 @@ options:
         of the command.  If the command does not pass the specified
         conditional, the interval indicates how to long to wait before
         trying the command again.
-    required: false
     default: 1
 """