Docs: fixes alerting links (#57805)

* Docs: fixes alerting links

* fixes grafana relrefs to alerting

* changing GA to Alerting

docs/sources/alerting/_index.md

@@ -7,7 +7,7 @@ title: Alerting
 weight: 114
 ---
 
-# Grafana Alerting
+# Alerting
 
 Grafana Alerting allows you to learn about problems in your systems moments after they occur. Create, manage, and take action on your alerts in a single, consolidated view, and improve your team’s ability to identify and resolve issues quickly.
 
@@ -69,4 +69,6 @@ With mute timings, you can specify a time interval when you don’t want new not
 
 - [Role-based access control]({{< relref "../administration/roles-and-permissions/access-control/" >}}) in Grafana Enterprise.
 
-- [Alertmanager]({{< relref "fundamentals/alertmanager/" >}}) and [High availability]({{< relref "./high-availability/" >}})
+- [Alertmanager]({{< relref "fundamentals/alertmanager/" >}})
+
+- [High availability](https://grafana.com/docs/grafana/next/alerting/fundamentals/high-availability/)

docs/sources/alerting/fundamentals/_index.md

@@ -7,7 +7,7 @@ title: Explore Grafana Alerting
 weight: 105
 ---
 
-# Explore Grafana Alerting
+# Explore Alerting
 
 Learn about the key concepts and features that help you create, manage, and take action on your alerts and improve your team's ability to resolve issues quickly.
 

docs/sources/alerting/manage-notifications/images-in-notifications.md

@@ -29,7 +29,7 @@ Images are stored in the [data]({{< relref "../../setup-grafana/configure-grafan
 
 ## Requirements
 
-To use images in notifications, Grafana must be set up to use [image rendering]({{< relref "../setup-grafana/image-rendering/" >}}). It is also recommended that Grafana is set up to upload images to an [external image store]({{< relref "../setup-grafana/configure-grafana/#external_image_storage" >}}) such as Amazon S3, Azure Blob Storage, Google Cloud Storage or even Grafana.
+To use images in notifications, Grafana must be set up to use [image rendering](https://grafana.com/docs/grafana/next/setup-grafana/image-rendering/). It is also recommended that Grafana is set up to upload images to an external image store, such as Amazon S3, Azure Blob Storage, Google Cloud Storage or even Grafana.
 
 ## Configuration
 

docs/sources/alerting/migrating-alerts/_index.md

@@ -5,11 +5,11 @@ aliases:
   - /docs/grafana/latest/alerting/unified-alerting/difference-old-new/
   - /docs/grafana/latest/alerting/difference-old-new/
 description: Upgrade Grafana alerts
-title: Upgrade to Grafana Alerting
+title: Upgrade Alerting
 weight: 110
 ---
 
-# Upgrade to Grafana Alerting
+# Upgrade Alerting
 
 Grafana Alerting is enabled by default for new installations or existing installations whether or not legacy alerting is configured.
 

docs/sources/alerting/set-up/_index.md

@@ -3,11 +3,11 @@ aliases:
   - /docs/grafana/latest/alerting/set-up/
   - /docs/grafana/latest/alerting/set-up/
   - /docs/grafana/latest/alerting/unified-alerting/set-up/
-title: Set up Grafana Alerting
+title: Set up Alerting
 weight: 107
 ---
 
-# Set up Grafana Alerting
+# Set up Alerting
 
 Configure the features and integrations that you need to create and manage your alerts.