Take stable features out of tech preview

This is a continuous effort for
pulp/pulpcore#3429.

closes pulp#1236

CHANGES/1236.doc

@@ -0,0 +1 @@
+Took stable features out of tech preview.

docs/index.rst

@@ -29,14 +29,6 @@ Features
 * De-duplication of all saved content
 * Support disconnected and air-gapped environments with the Pulp Import/Export facility for container repositories
 
-Tech Preview
-------------
-
-Some additional features are being supplied as a tech preview. There is a possibility that
-backwards incompatible changes will be introduced for these particular features.  For a list of
-features currently being supplied as tech previews only, see the :doc:`tech preview page
-<tech-preview>`.
-
 How to use these docs
 ---------------------
 
@@ -63,7 +55,6 @@ Container Workflows
    rbac/index
    restapi/index
    authentication
-   tech-preview
    changes
    contributing
 

docs/workflows/build-containerfile.rst

@@ -3,11 +3,6 @@
 Build an OCI image from a Containerfile
 =======================================
 
-
-.. warning::
-    All container build APIs are tech preview in Pulp Container 2.1. Backwards compatibility when
-    upgrading is not guaranteed.
-
 Users can add new images to a container repository by uploading a Containerfile. The syntax for
 Containerfile is the same as for a Dockerfile. The same REST API endpoint also accepts a JSON
 string that maps artifacts in Pulp to a filename. Any artifacts passed in are available inside the

pulp_container/app/viewsets.py

@@ -837,8 +837,7 @@ def copy_manifests(self, request, pk):
     @extend_schema(
         description="Trigger an asynchronous task to build an OCI image from a "
         "Containerfile. A new repository version is created with the new "
-        "image and tag. This API is tech preview in Pulp Container 1.1. "
-        "Backwards compatibility when upgrading is not guaranteed.",
+        "image and tag.",
         summary="Build an Image",
         responses={202: AsyncOperationResponseSerializer},
     )