[Docs] Adjust release notes for download/SH v25.2.2, v25.1.8, v24.3.15, v24.1.20, v23.2.27 (#19856)

* In releases.yml, removed cloud fields to show download links.

Author: florence-crl

src/current/_data/releases.yml

@@ -8827,13 +8827,6 @@
     docker_arm_limited_access: false
   source: true
   previous_release: v23.2.26
-  cloud_only: true
-  cloud_only_message_short: 'Available only for select CockroachDB Cloud clusters'
-  cloud_only_message: >
-      This version is currently available only for select
-      CockroachDB Cloud clusters. To request to upgrade
-      a CockroachDB self-hosted cluster to this version,
-      [contact support](https://support.cockroachlabs.com/hc/requests/new).
 
 
 - release_name: v24.3.15
@@ -8862,13 +8855,6 @@
     docker_arm_limited_access: false
   source: true
   previous_release: v24.3.14
-  cloud_only: true
-  cloud_only_message_short: 'Available only for select CockroachDB Cloud clusters'
-  cloud_only_message: >
-      This version is currently available only for select
-      CockroachDB Cloud clusters. To request to upgrade
-      a CockroachDB self-hosted cluster to this version,
-      [contact support](https://support.cockroachlabs.com/hc/requests/new).
 
 
 - release_name: v24.1.20
@@ -8897,13 +8883,6 @@
     docker_arm_limited_access: false
   source: true
   previous_release: v24.1.19
-  cloud_only: true
-  cloud_only_message_short: 'Available only for select CockroachDB Cloud clusters'
-  cloud_only_message: >
-      This version is currently available only for select
-      CockroachDB Cloud clusters. To request to upgrade
-      a CockroachDB self-hosted cluster to this version,
-      [contact support](https://support.cockroachlabs.com/hc/requests/new).
 
 
 - release_name: v25.1.8
@@ -8932,13 +8911,6 @@
     docker_arm_limited_access: false
   source: true
   previous_release: v25.1.7
-  cloud_only: true
-  cloud_only_message_short: 'Available only for select CockroachDB Cloud clusters'
-  cloud_only_message: >
-      This version is currently available only for select
-      CockroachDB Cloud clusters. To request to upgrade
-      a CockroachDB self-hosted cluster to this version,
-      [contact support](https://support.cockroachlabs.com/hc/requests/new).
 
 
 - release_name: v25.2.2
@@ -8967,10 +8939,4 @@
     docker_arm_limited_access: false
   source: true
   previous_release: v25.2.1
-  cloud_only: true
-  cloud_only_message_short: 'Available only for select CockroachDB Cloud clusters'
-  cloud_only_message: >
-      This version is currently available only for select
-      CockroachDB Cloud clusters. To request to upgrade
-      a CockroachDB self-hosted cluster to this version,
-      [contact support](https://support.cockroachlabs.com/hc/requests/new).
+