Revert "Merge branch '99-roadmap-cloud-entry-si' into 'master'"

This reverts merge request !136

_roadmap/cloud/2021-01-01.md

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-date: 2021-01-01
-title: Tasks in Jan 2021
-service: cloud
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-## Top 10 of future Helmholtz Cloud Services 
-We are happy to announce that the group of the 10 most mature services has reached a maturity level of more than 80% - more than sufficient for them to be integrated into the Cloud Portal in the coming weeks. This top group includes services like **GitLab** (HZDR, FZJ), **Nextcloud** (HZB, KIT), **Mattermost** (HZDR), **Rocket.Chat** (FZJ) but also **OpenStack** (FZJ, KIT), **JupyterHub** (FZJ), **Zammad** (HZDR) and **B2Share** (FZJ).
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-Find more information of Initial Service Portfolio [here](https://hifis.net/news/2020/10/13/initial-service-portfolio.html).

_roadmap/cloud/2021-02-01.md

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-date: 2021-02-01
-title: Tasks in Feb 2021
-service: cloud
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-## Beta Version of Helmholtz Cloud Portal online
-The Helmholtz Cloud Portal allows harmonized access to all Helmholtz Cloud services. It contains all necessary information to access the available services. The alpha version of the portal is planned to be available by end 2020 and the publicly accessible beta version is planned for February 2021.
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