[Documentation][zos_copy] Remove the need of MVS.MCSOPER.ZOAU profile from the docs (#2039)

* Removed OPERCMD entry from zos_copy docs

* Updated changelog fragment

Author: fernandofloresg

changelogs/fragments/2039-documentation-zos_copy-opercmd.yml

@@ -0,0 +1,3 @@
+trivial:
+  - zos_copy - Removed the need of MVS.MCSOPER.ZOAU profile in zos_copy.
+     (https://github.com/ansible-collections/ibm_zos_core/pull/2039).

plugins/modules/zos_copy.py

@@ -563,10 +563,6 @@
       described as the remote user, configured either for the playbook or
       playbook tasks, who can also obtain escalated privileges to execute as
       root or another user.
-    - To use this module, you must define the RACF FACILITY class profile
-      and allow READ access to RACF FACILITY profile MVS.MCSOPER.ZOAU. If
-      your system uses a different security product, consult that product's
-      documentation to configure the required security classes.
 seealso:
 - module: zos_fetch
 - module: zos_data_set