[OSDOCS-12444]: Adding prereq and reference to disable HCP procedure

Author: lahinson

hosted_control_planes/hcp-prepare/hcp-enable-disable.adoc

@@ -17,4 +17,4 @@ include::modules/hcp-enable-manual-addon.adoc[leveloffset=+2]
 You can uninstall the HyperShift Operator and disable the {hcp} feature. When you disable the {hcp} feature, you must destroy the hosted cluster and the managed cluster resource on {mce-short}, as described in the _Managing hosted clusters_ topics.
 
 include::modules/hcp-uninstall-operator.adoc[leveloffset=+2]
-include::modules/hcp-disable-feature.adoc[leveloffset=+2]
+include::modules/hcp-disable-feature.adoc[leveloffset=+2]

modules/hcp-disable-feature.adoc

@@ -5,7 +5,11 @@
 [id="hcp-disable-feature_{context}"]
 = Disabling the {hcp} feature
 
-Before you disable the {hcp} feature, you must first uninstall the HyperShift Operator. 
+To disable the {hcp} feature, complete the following steps.
+
+.Prerequisites
+
+* You uninstalled the HyperShift Operator. For more information, see "Uninstalling the HyperShift Operator".
 
 .Procedure