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/packaging/language/bundler.py

@@ -24,19 +24,15 @@ options:
   executable:
     description:
       - The path to the bundler executable
-    required: false
-    default: null
   state:
     description:
       - The desired state of the Gem bundle. C(latest) updates gems to the most recent, acceptable version
-    required: false
     choices: [present, latest]
     default: present
   chdir:
     description:
       - The directory to execute the bundler commands from. This directoy
         needs to contain a valid Gemfile or .bundle/ directory
-    required: false
     default: temporary working directory
   exclude_groups:
     description:
@@ -44,46 +40,38 @@ options:
         applies when state is C(present). Bundler considers this
         a 'remembered' property for the Gemfile and will automatically exclude
         groups in future operations even if C(exclude_groups) is not set
-    required: false
-    default: null
   clean:
     description:
       - Only applies if state is C(present). If set removes any gems on the
         target host that are not in the gemfile
-    required: false
-    choices: [yes, no]
-    default: "no"
+    type: bool
+    default: 'no'
   gemfile:
     description:
       - Only applies if state is C(present). The path to the gemfile to use to install gems.
-    required: false
     default: Gemfile in current directory
   local:
     description:
       - If set only installs gems from the cache on the target host
-    required: false
-    choices: [yes, no]
-    default: "no"
+    type: bool
+    default: 'no'
   deployment_mode:
     description:
       - Only applies if state is C(present). If set it will only install gems
         that are in the default or production groups. Requires a Gemfile.lock
         file to have been created prior
-    required: false
-    choices: [yes, no]
-    default: "no"
+    type: bool
+    default: 'no'
   user_install:
     description:
       - Only applies if state is C(present). Installs gems in the local user's cache or for all users
-    required: false
-    choices: [yes, no]
-    default: "yes"
+    type: bool
+    default: 'yes'
   gem_path:
     description:
       - Only applies if state is C(present). Specifies the directory to
         install the gems into. If C(chdir) is set then this path is relative to
         C(chdir)
-    required: false
     default: RubyGems gem paths
   binstub_directory:
     description:
@@ -92,15 +80,11 @@ options:
         within the context of the Gemfile and fail if any required gem
         dependencies are not installed. If C(chdir) is set then this path is
         relative to C(chdir)
-    required: false
-    default: null
   extra_args:
     description:
       - A space separated string of additional commands that can be applied to
         the Bundler command. Refer to the Bundler documentation for more
         information
-    required: false
-    default: null
 author: "Tim Hoiberg (@thoiberg)"
 '''