Remove banner as instructs are complete

Author: dwdougherty

content/operate/oss_and_stack/install/build-stack/_index.md

@@ -9,8 +9,6 @@ linkTitle: Build and run Redis Open Source
 stack: true
 title: Build and run Redis Open Source
 weight: 20
-bannerText: These build instructions are not yet complete for Redis 8 GA. For build instructions prior to Redis 8, see [this page]({{< relref "/operate/oss_and_stack/install/archive/install-redis/install-redis-from-source" >}}).
-bannerChildren: true
 ---
 
 Build instructions are provided for the following platforms: