docs: remove master branch removal information (#28)

Author: xoxys

.gitignore

@@ -10,3 +10,4 @@ __pycache__/
 # ---> Misc
 *.swp
 CHANGELOG.md
+/_docs

README.md

@@ -3,8 +3,6 @@
 [![Build Status](https://drone.owncloud.com/api/badges/owncloud-ansible/redis/status.svg)](https://drone.owncloud.com/owncloud-ansible/redis)
 [![GitHub](https://img.shields.io/github/license/owncloud-ansible/redis)](https://github.com/owncloud-ansible/redis/blob/main/LICENSE)
 
-> **Important:** We have switched to 'main' as default branch. The 'master' branch is no longer maintained and will be removed after March 31, 2022!
-
 Ansible role to setup redis. For all available options, please have a look at the [documentation](https://owncloud-ansible.github.io/role/redis/).
 
 ## License

meta/main.yml

@@ -10,10 +10,6 @@ galaxy_info:
   # [![Build Status](https://drone.owncloud.com/api/badges/owncloud-ansible/redis/status.svg)](https://drone.owncloud.com/owncloud-ansible/redis)
   # [![GitHub](https://img.shields.io/github/license/owncloud-ansible/redis)](https://github.com/owncloud-ansible/redis/blob/main/LICENSE)
   #
-  # {{< hint type=warning >}}
-  # We have switched to 'main' as default branch. The 'master' branch is no longer maintained and will be removed after March 31, 2022!
-  # {{< /hint >}}
-  #
   # Role to setup Redis server.
   # @end
   description: Role to setup Redis server