Remove unnecessary required=False s in linode_v4 module (#2251) (#2254)

(cherry picked from commit 085c43b76b)

Co-authored-by: Amin Vakil <info@aminvakil.com>

plugins/modules/cloud/linode/linode_v4.py

@@ -28,7 +28,6 @@ options:
       - The region of the instance. This is a required parameter only when
         creating Linode instances. See
         U(https://www.linode.com/docs/api/regions/).
-    required: false
     type: str
   image:
     description:
@@ -36,14 +35,12 @@ options:
         creating Linode instances. See
         U(https://www.linode.com/docs/api/images/).
     type: str
-    required: false
   type:
     description:
       - The type of the instance. This is a required parameter only when
         creating Linode instances. See
         U(https://www.linode.com/docs/api/linode-types/).
     type: str
-    required: false
   label:
     description:
       - The instance label. This label is used as the main determiner for
@@ -56,12 +53,10 @@ options:
          group labelling is deprecated but still supported. The encouraged
          method for marking instances is to use tags.
     type: str
-    required: false
   tags:
     description:
       - The tags that the instance should be marked under. See
         U(https://www.linode.com/docs/api/tags/).
-    required: false
     type: list
     elements: str
   root_pass:
@@ -69,12 +64,10 @@ options:
       - The password for the root user. If not specified, one will be
         generated. This generated password will be available in the task
         success JSON.
-    required: false
     type: str
   authorized_keys:
     description:
       - A list of SSH public key parts to deploy for the root user.
-    required: false
     type: list
     elements: str
   state:
@@ -242,15 +235,15 @@ def initialise_module():
                 no_log=True,
                 fallback=(env_fallback, ['LINODE_ACCESS_TOKEN']),
             ),
-            authorized_keys=dict(type='list', elements='str', required=False, no_log=False),
+            authorized_keys=dict(type='list', elements='str', no_log=False),
-            group=dict(type='str', required=False),
+            group=dict(type='str'),
-            image=dict(type='str', required=False),
+            image=dict(type='str'),
-            region=dict(type='str', required=False),
+            region=dict(type='str'),
-            root_pass=dict(type='str', required=False, no_log=True),
+            root_pass=dict(type='str', no_log=True),
-            tags=dict(type='list', elements='str', required=False),
+            tags=dict(type='list', elements='str'),
-            type=dict(type='str', required=False),
+            type=dict(type='str'),
-            stackscript_id=dict(type='int', required=False),
+            stackscript_id=dict(type='int'),
-            stackscript_data=dict(type='dict', required=False),
+            stackscript_data=dict(type='dict'),
         ),
         supports_check_mode=False,
         required_one_of=(