client side validation can't have docs with explicit choices (#258)

Signed-off-by: Modular Magician <magic-modules@google.com>

plugins/modules/gcp_compute_instance.py

@@ -157,18 +157,14 @@ options:
           SCSI or NVME. The default is SCSI.
         - Persistent disks must always use SCSI and the request will fail if you attempt
           to attach a persistent disk in any other format than SCSI.
+        - 'Some valid choices include: "SCSI", "NVME"'
         required: false
-        choices:
-        - SCSI
-        - NVME
       mode:
         description:
         - The mode in which to attach this disk, either READ_WRITE or READ_ONLY. If
           not specified, the default is to attach the disk in READ_WRITE mode.
+        - 'Some valid choices include: "READ_WRITE", "READ_ONLY"'
         required: false
-        choices:
-        - READ_WRITE
-        - READ_ONLY
       source:
         description:
         - Reference to a disk. When creating a new instance, one of initializeParams.sourceImage
@@ -185,10 +181,8 @@ options:
         description:
         - Specifies the type of the disk, either SCRATCH or PERSISTENT. If not specified,
           the default is PERSISTENT.
+        - 'Some valid choices include: "SCRATCH", "PERSISTENT"'
         required: false
-        choices:
-        - SCRATCH
-        - PERSISTENT
   guest_accelerators:
     description:
     - List of the type and count of accelerator cards attached to the instance .
@@ -267,9 +261,8 @@ options:
           type:
             description:
             - The type of configuration. The default and only option is ONE_TO_ONE_NAT.
+            - 'Some valid choices include: "ONE_TO_ONE_NAT"'
             required: true
-            choices:
-            - ONE_TO_ONE_NAT
       alias_ip_ranges:
         description:
         - An array of alias IP ranges for this network interface. Can only be specified
@@ -367,16 +360,10 @@ options:
       RUNNING, STOPPING, SUSPENDING, SUSPENDED, and TERMINATED.'
     - As a user, use RUNNING to keep a machine "on" and TERMINATED to turn a machine
       off .
+    - 'Some valid choices include: "PROVISIONING", "STAGING", "RUNNING", "STOPPING",
+      "SUSPENDING", "SUSPENDED", "TERMINATED"'
     required: false
     version_added: 2.8
-    choices:
-    - PROVISIONING
-    - STAGING
-    - RUNNING
-    - STOPPING
-    - SUSPENDING
-    - SUSPENDED
-    - TERMINATED
   tags:
     description:
     - A list of tags to apply to this instance. Tags are used to identify valid sources