Removing TP statements for HCP on IBM Z and IBM Power

Author: lahinson

modules/hosted-control-planes-overview.adoc

@@ -14,8 +14,8 @@
 * Non-bare-metal Agent machines, as a Technology Preview feature
 * {VirtProductName}, as a Generally Available feature in connected environments and a Technology Preview feature in disconnected environments
 * {aws-first}
-* {ibm-z-title}, as a Technology Preview feature
-* {ibm-power-title}, as a Technology Preview feature
+* {ibm-z-title}
+* {ibm-power-title}
 
 The {hcp} feature is enabled by default.