DOCS-14860 BACKPORT contradictory-RHEL-support

Author: mungitoperrito

source/release-notes/5.0.txt

@@ -1030,8 +1030,7 @@ MongoDB 5.0 removes support for the following platforms:
 - **macOS 10.13**
 
 - **RHEL 7 / CentOS 7 / Oracle 7** on the
-  :ref:`PPC64LE <prod-notes-supported-platforms-PPC64LE>` and
-  :ref:`s390x <prod-notes-supported-platforms-s390x>` architectures
+  :ref:`PPC64LE <prod-notes-supported-platforms-PPC64LE>` architecture
 
 - **SLES 12** on the :ref:`s390x <prod-notes-supported-platforms-s390x>`
   architecture