Update meta data of docs

docs/installation/comparison.md

@@ -1,13 +1,12 @@
 ---
 date: "2018-05-07T13:00:00+02:00"
-title: "Compared to other Git hosting"
 slug: "comparison"
 sidebar_position: 5
 aliases:
   - /en-us/comparison
 ---
 
-# Gitea compared to other Git hosting options
+# Compared to other Git hosting
 
 To help decide if Gitea is suited for your needs, here is how it compares to other Git self hosted options.
 

docs/installation/database-preparation.md

@@ -1,6 +1,5 @@
 ---
 date: "2020-01-16"
-title: "Database Preparation"
 slug: "database-prep"
 sidebar_position: 10
 aliases:

docs/installation/from-binary.md

@@ -1,6 +1,5 @@
 ---
 date: "2017-06-19T12:00:00+02:00"
-title: "Installation from binary"
 slug: "install-from-binary"
 sidebar_position: 15
 aliases:

docs/installation/from-package.md

@@ -1,6 +1,5 @@
 ---
 date: "2016-12-01T16:00:00+02:00"
-title: "Installation from package"
 slug: "install-from-package"
 sidebar_position: 20
 aliases:

docs/installation/from-source.md

@@ -1,6 +1,5 @@
 ---
 date: "2016-12-01T16:00:00+02:00"
-title: "Installation from source"
 slug: "install-from-source"
 sidebar_position: 30
 aliases:

docs/installation/on-cloud-provider.md

@@ -1,6 +1,5 @@
 ---
 date: "2016-12-01T16:00:00+02:00"
-title: "Install on Cloud Provider"
 slug: "install-on-cloud-provider"
 sidebar_position: 90
 aliases:

docs/installation/on-kubernetes.md

@@ -1,13 +1,12 @@
 ---
 date: "2020-03-19T19:27:00+02:00"
-title: "Install on Kubernetes"
 slug: "install-on-kubernetes"
 sidebar_position: 80
 aliases:
   - /en-us/install-on-kubernetes
 ---
 
-# Installation with Helm (on Kubernetes)
+# Install on Kubernetes
 
 Gitea provides a Helm Chart to allow for installation on kubernetes.
 

docs/installation/run-as-service-in-ubuntu.md

@@ -1,6 +1,5 @@
 ---
 date: "2017-07-21T12:00:00+02:00"
-title: "Run as a Linux service"
 slug: "linux-service"
 sidebar_position: 40
 aliases:

docs/installation/upgrade-from-gitea.md

@@ -1,6 +1,5 @@
 ---
 date: "2021-09-02T16:00:00+08:00"
-title: "Upgrade from an old Gitea"
 slug: "upgrade-from-gitea"
 sidebar_position: 100
 aliases:

docs/installation/windows-service.md

@@ -1,6 +1,5 @@
 ---
 date: "2016-12-21T15:00:00-02:00"
-title: "Register as a Windows service"
 slug: "windows-service"
 sidebar_position: 50
 aliases:

docs/installation/with-docker-rootless.md

@@ -1,13 +1,12 @@
 ---
 date: "2020-02-09T20:00:00+02:00"
-title: "Installation with Docker (rootless)"
 slug: "install-with-docker-rootless"
 sidebar_position: 60
 aliases:
   - /en-us/install-with-docker-rootless
 ---
 
-# Installation with Docker
+# Installation with Docker (rootless)
 
 Gitea provides automatically updated Docker images within its Docker Hub organization. It is
 possible to always use the latest stable tag or to use another service that handles updating

docs/installation/with-docker.md

@@ -1,6 +1,5 @@
 ---
 date: "2020-03-19T19:27:00+02:00"
-title: "Installation with Docker"
 slug: "install-with-docker"
 sidebar_position: 70
 aliases: