Correct Helm documentation aliases. (#7537)

**What this PR does / why we need it**:
#7034 introduced a regression in the documentation. This changes
corrects the aliases of the Helm documentation pages.

**Checklist**
- [ ] Reviewed the `CONTRIBUTING.md` guide
- [ ] Documentation added
- [ ] Tests updated
- [ ] `CHANGELOG.md` updated
- [ ] Changes that require user attention or interaction to upgrade are
documented in `docs/sources/upgrading/_index.md`

docs/sources/installation/helm/_index.md

@@ -1,9 +1,9 @@
 ---
 title: Install Grafana Loki with Helm
 menuTitle: Deploy on Kubernetes
-description: Use this template when you write a concept topic.
+description: Learn how to install Grafana Loki on Kubernetes with Helm.
 aliases:
-  - /docs/writers-toolkit/latest/templates/concept-template
+  - /docs/installation/helm
 weight: 100
 keywords:
   - helm 

docs/sources/installation/helm/concepts.md

@@ -1,9 +1,9 @@
 ---
 title: Helm Chart Components
-menuTitle: Helm Chart Components
+menuTitle: Helm Chart components
 description: A short introduction to the components installed with the Loki Helm Chart.
 aliases:
-  - /docs/writers-toolkit/latest/templates/concept-template
+  - /docs/installation/helm/concepts
 weight: 100
 keywords:
   - dashboards

docs/sources/installation/helm/configure-storage/index.md

@@ -3,7 +3,7 @@ title: Configure storage
 menuTitle: Configure storage 
 description: Configure Loki storage
 aliases:
-  - /docs/writers-toolkit/latest/templates/task-template
+  - /docs/installation/helm/storage
 weight: 100
 keywords:
   - object store

docs/sources/installation/helm/install-monolithic/index.md

@@ -1,14 +1,11 @@
 ---
 title: Install the Single Binary Helm Chart
-menuTitle: Install Single Binary Loki
+menuTitle: Install single binary Loki
 description: Install Loki in single binary mode.
 aliases:
-  - /docs/writers-toolkit/latest/templates/task-template
+  - /docs/installation/helm/monolithic
 weight: 100
-keywords:
-  - keyword
-  - key
-  - word
+keywords: []
 ---
 
 # Install the single binary Helm Chart

docs/sources/installation/helm/install-scalable/index.md

@@ -3,12 +3,9 @@ title: Install the Helm Chart
 menuTitle: Install Loki
 description: Install Loki in scalable mode.
 aliases:
-  - /docs/writers-toolkit/latest/templates/task-template
+  - /docs/installation/helm/scalable
 weight: 100
-keywords:
-  - keyword
-  - key
-  - word
+keywords: []
 ---
 
 # Install the Helm Chart

docs/sources/installation/helm/monitor-and-alert/index.md

@@ -3,7 +3,7 @@ title: Configure monitoring and alerting
 menuTitle: Configure monitoring and alerting
 description: setup monitoring and alerts for the Helm Chart
 aliases:
-  - /docs/writers-toolkit/latest/templates/task-template
+  - /docs/installation/helm/monitoring
 weight: 100
 keywords:
   - monitoring 

docs/sources/installation/helm/reference.md

@@ -5,10 +5,7 @@ description: Reference for Helm Chart values.
 aliases:
   - /docs/writers-toolkit/latest/templates/reference-template
 weight: 100
-keywords:
-  - keyword 1
-  - keyword 2
-  - keyword 3
+keywords: []
 ---
 
 <!-- Autogenerated. Modify ../production/helm/loki/reference.md.gotmpl -->

docs/sources/installation/helm/upgrade-from-2.x/index.md

@@ -3,7 +3,7 @@ title: Upgrade the Helm Chart to 3.0
 menuTitle: Upgrade the Helm Chart to 3.0
 description: Upgrade the Helm Chart from 2.x to 3.0.
 aliases:
-  - /docs/writers-toolkit/latest/templates/task-template
+  - /docs/installation/helm/upgrade
 weight: 100
 keywords:
   - upgrade

production/helm/loki/reference.md.gotmpl

@@ -5,10 +5,7 @@ description: Reference for Helm Chart values.
 aliases:
   - /docs/writers-toolkit/latest/templates/reference-template
 weight: 100
-keywords:
-  - keyword 1
-  - keyword 2
-  - keyword 3
+keywords: []
 ---
 
 <!-- Autogenerated. Modify ../production/helm/loki/reference.md.gotmpl -->