Remove unnecessary meta data on markdown files (#12)

Reviewed-on: https://gitea.com/gitea/docs/pulls/12

versioned_docs/version-1.22/usage/actions/act-runner.md

@@ -1,16 +1,7 @@
 ---
 date: "2023-04-27T15:00:00+08:00"
-title: "Act Runner"
 slug: "act-runner"
 sidebar_position: 20
-draft: false
-toc: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "Act Runner"
-    sidebar_position: 20
-    identifier: "actions-runner"
 ---
 
 # Act Runner

versioned_docs/version-1.22/usage/actions/badge.md

@@ -1,16 +1,7 @@
 ---
 date: "2023-02-25T00:00:00+00:00"
-title: "Badge"
 slug: "badge"
 sidebar_position: 11
-toc: false
-draft: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "Badge"
-    sidebar_position: 11
-    identifier: "Badge"
 ---
 
 # Badge

versioned_docs/version-1.22/usage/actions/comparison.md

@@ -1,16 +1,7 @@
 ---
 date: "2023-04-27T15:00:00+08:00"
-title: "Compared to GitHub Actions"
 slug: "comparison"
 sidebar_position: 30
-draft: false
-toc: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "Comparison"
-    sidebar_position: 30
-    identifier: "actions-comparison"
 ---
 
 # Compared to GitHub Actions

versioned_docs/version-1.22/usage/actions/design.md

@@ -1,16 +1,7 @@
 ---
 date: "2023-04-27T15:00:00+08:00"
-title: "Design of Gitea Actions"
 slug: "design"
 sidebar_position: 40
-draft: false
-toc: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "Design"
-    sidebar_position: 40
-    identifier: "actions-design"
 ---
 
 # Design of Gitea Actions

versioned_docs/version-1.22/usage/actions/faq.md

@@ -1,16 +1,7 @@
 ---
 date: "2023-04-27T15:00:00+08:00"
-title: "Frequently Asked Questions of Gitea Actions"
 slug: "faq"
 sidebar_position: 100
-draft: false
-toc: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "FAQ"
-    sidebar_position: 100
-    identifier: "actions-faq"
 ---
 
 # Frequently Asked Questions of Gitea Actions

versioned_docs/version-1.22/usage/actions/overview.md

@@ -1,16 +1,7 @@
 ---
 date: "2023-04-27T15:00:00+08:00"
-title: "Gitea Actions"
 slug: "overview"
 sidebar_position: 1
-draft: false
-toc: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "Overview"
-    sidebar_position: 1
-    identifier: "actions-overview"
 ---
 
 # Gitea Actions

versioned_docs/version-1.22/usage/actions/quickstart.md

@@ -1,16 +1,7 @@
 ---
 date: "2023-04-27T15:00:00+08:00"
-title: "Quick Start"
 slug: "quickstart"
 sidebar_position: 10
-draft: false
-toc: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "Quick Start"
-    sidebar_position: 10
-    identifier: "actions-quickstart"
 ---
 
 # Quick Start

versioned_docs/version-1.22/usage/actions/secrets.md

@@ -1,16 +1,7 @@
 ---
 date: "2022-12-19T21:26:00+08:00"
-title: "Secrets"
 slug: "secrets"
 sidebar_position: 50
-draft: false
-toc: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "Secrets"
-    sidebar_position: 50
-    identifier: "usage-secrets"
 ---
 
 # Secrets

versioned_docs/version-1.22/usage/actions/variables.md

@@ -1,16 +1,7 @@
 ---
 date: "2024-04-10T22:21:00+08:00"
-title: "Variables"
 slug: "actions-variables"
 sidebar_position: 25
-draft: false
-toc: false
-menu:
-  sidebar:
-    parent: "actions"
-    name: "Variables"
-    sidebar_position: 25
-    identifier: "actions-variables"
 ---
 
 ## Variables