DOC-4927 Removed unused placeholders from RS April release notes

Author: rrelledge

content/operate/rs/release-notes/rs-7-22-releases/_index.md

@@ -41,14 +41,6 @@ For more detailed release notes, select a build version from the following table
 
 ## Version changes
 
-### Breaking changes
-
-- TBA
-
-### Product lifecycle updates
-
-- TBA
-
 ### Deprecations
 
 #### API deprecations
@@ -61,10 +53,6 @@ The existing [internal monitoring engine]({{<relref "/operate/rs/monitoring/v1_m
 
 V1 Prometheus metrics are deprecated but still available. To transition to the new metrics stream engine, either migrate your existing dashboards using [this guide]({{<relref "/operate/rs/references/metrics/prometheus-metrics-v1-to-v2">}}) now, or wait to use new preconfigured dashboards when they become available in a future release.
 
-### Upcoming changes
-
-- TBA
-
 ### Supported platforms
 
 The following table provides a snapshot of supported platforms as of this Redis Enterprise Software release. See the [supported platforms reference]({{< relref "/operate/rs/references/supported-platforms" >}}) for more details about operating system compatibility.

content/operate/rs/release-notes/rs-7-22-releases/rs-7-22-x-tba.md

@@ -49,7 +49,7 @@ This version offers:
 
 - Usage report API request
 
-- Added `secondary_rack_id` to boostrap and node configuration to support two-dimensional rack awareness.
+- Added `secondary_rack_id` to boostrap and node configuration to support [two-dimensional rack awareness]({{<relref "/operate/rs/clusters/configure/rack-zone-awareness#set-up-two-dimensional-rack-zone-awareness">}}).
 
 - A new version of the actions API is available at `GET /v2/actions`
 
@@ -169,14 +169,6 @@ The following table shows which Redis modules are compatible with each Redis dat
 
 ## Version changes
 
-### Breaking changes
-
-- TBA
-
-### Product lifecycle updates
-
-- TBA
-
 ### Deprecations
 
 #### API deprecations
@@ -189,10 +181,6 @@ The existing [internal monitoring engine]({{<relref "/operate/rs/monitoring/v1_m
 
 V1 Prometheus metrics are deprecated but still available. To transition to the new metrics stream engine, either migrate your existing dashboards using [this guide]({{<relref "/operate/rs/references/metrics/prometheus-metrics-v1-to-v2">}}) now, or wait to use new preconfigured dashboards when they become available in a future release.
 
-### Upcoming changes
-
-- TBA
-
 ### Supported platforms
 
 The following table provides a snapshot of supported platforms as of this Redis Enterprise Software release. See the [supported platforms reference]({{< relref "/operate/rs/references/supported-platforms" >}}) for more details about operating system compatibility.