Remove Helm 2 references (#2286)

Support removed in v2.9

docs/getting-started/installation-and-upgrade/resources/helm-version-requirements.md

@@ -8,10 +8,6 @@ title: Helm Version Requirements
 
 This section contains the requirements for Helm, which is the tool used to install Rancher on a high-availability Kubernetes cluster.
 
-> The installation instructions have been updated for Helm 3. For migration of installs started with Helm 2, refer to the official [Helm 2 to 3 Migration Docs.](https://helm.sh/blog/migrate-from-helm-v2-to-helm-v3/) [This section](https://github.com/rancher/rancher-docs/tree/main/archived_docs/en/version-2.0-2.4/getting-started/installation-and-upgrade/advanced-options/advanced-use-cases/helm2/helm2.md) provides a copy of the older high-availability Rancher installation instructions that used Helm 2, and it is intended to be used if upgrading to Helm 3 is not feasible.
-
-<DeprecationHelm2 />
-
 ## Identifying the Proper Helm v3 Version
 
 Select any Helm v3 version that is officially compatible with the Kubernetes version range you are using from our [Rancher Support Matrix](https://www.suse.com/suse-rancher/support-matrix/all-supported-versions).
@@ -31,5 +27,4 @@ To apply this rule, you may need to reference two external resources:
 ## Additional Notes
 
 - Helm v3.2.x or higher is required to install or upgrade Rancher v2.5.
-- Helm v2 support was removed in Rancher v2.9.x.
 - When using tools that run Helm commands for you (like Terraform), you must make sure they are configured to use the correct Helm version.