Better description for the ce_vlan module (ansible#47816)

Description for the name and description was vague. I didn't get the first time reading that it was talking about a character limit.

+label: docsite_pr
(cherry picked from commit 7e9141e)

lib/ansible/modules/network/cloudengine/ce_vlan.py

@@ -37,10 +37,10 @@
             - Range of VLANs such as C(2-10) or C(2,5,10-15), etc.
     name:
         description:
-            - Name of VLAN, in the range from 1 to 31.
+            - Name of VLAN, minimum of 1 character, maximum of 31 characters.
     description:
         description:
-            - Specify VLAN description, in the range from 1 to 80.
+            - Specify VLAN description, minimum of 1 character, maximum of 80 characters.
     state:
         description:
             - Manage the state of the resource.