remove rpk links from cloud (#892)

Author: Deflaimun

modules/reference/pages/rpk/rpk-cluster/rpk-cluster-storage-mount.adoc

@@ -9,7 +9,9 @@ You can optionally rename the topic using the `--to` flag.
 
 Requirements:
 
+ifndef::env-cloud[]
 - xref:manage:tiered-storage.adoc#enable-tiered-storage[Tiered Storage must be enabled].
+endif::[]
 
 - Log segments for the topic must be available in Tiered Storage.
 

modules/reference/pages/rpk/rpk-transform/rpk-transform-deploy.adoc

@@ -92,9 +92,11 @@ Configure this at deployment using `rpk` with the `--compression` flag:
 rpk transform deploy --compression <compression_type>
 ----
 
+ifndef::env-cloud[]
 Enabling compression may increase computation costs and could impact latency at the output topic.
 
 For more details, see xref:deploy:deployment-option/self-hosted/manual/sizing.adoc[].
+endif::[]
 
 
 // end::single-source[]