Drop comments from preparing for capsule installation

Author: aneta-petrova

guides/common/assembly_preparing-environment-for-capsule-installation.adoc

@@ -9,17 +9,14 @@ Review the following prerequisites before you install {SmartProxyServer}.
 
 include::modules/ref_operating-system-requirements.adoc[leveloffset=+1]
 
-// System Requirements
 include::modules/ref_system-requirements.adoc[leveloffset=+1]
 
 ifdef::katello,satellite[]
-// Storage requirements
 include::modules/ref_capsule-storage-requirements.adoc[leveloffset=+1]
 
 include::modules/ref_best-practices-for-optimizing-storage.adoc[leveloffset=+1]
 endif::[]
 
-// Enabling Connections from {ProjectServer} and Clients to a {SmartProxyServer}
 include::modules/proc_opening-required-ports.adoc[leveloffset=+1]
 
 ifdef::parent-context[:context: {parent-context}]