DOCSP-46275: wrong content version-v6.0-backport (775) (#778)

# Backport

This will backport the following commits from `master` to `v6.0`:
- [DOCSP-46275: wrong content version
(#775)](10gen/docs-ops-manager#775)

<!--- Backport version: 9.6.4 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

Author: mayaraman19

source/includes/steps-install-simple-test-deployment.yaml

@@ -60,17 +60,17 @@ ref: config-yum
 level: 4
 content: |
 
-  Create a ``/etc/yum.repos.d/mongodb-org-6.0.repo`` file so
+  Create a ``/etc/yum.repos.d/mongodb-org-{+version+}.repo`` file so
   that you can install MongoDB directly using ``yum``:
 
   .. code-block:: cfg
 
-     [mongodb-org-6.0]
+     [mongodb-org-{+version+}]
      name=MongoDB Repository
-     baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/6.0/x86_64/
+     baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/{+version+}/x86_64/
      gpgcheck=1
      enabled=1
-     gpgkey=https://pgp.mongodb.com/server-6.0.asc
+     gpgkey=https://pgp.mongodb.com/server-{+version+}.asc
 
 ---
 stepnum: 3
@@ -137,16 +137,14 @@ content: |
 
      .. code-block:: yaml
         :linenos:
-        :emphasize-lines: 3, 6, 9-11, 19-20
+        :emphasize-lines: 3, 6-9, 17-18
 
         systemLog:
           destination: file
           path: "/data/appdb/mongodb.log"
           logAppend: true
         storage:
           dbPath: "/data/appdb"
-          journal:
-            enabled: true
           wiredTiger:
             engineConfig:
               cacheSizeGB: 1