Remove obsolete git repository links (#35)

packages/app-shell/README.md

 # App Shell Component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/apps/AppShell)
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 A web component for building SPAs consisting of one topic with multiple
 activities. Handles login, language selection, activity switching, menus etc.
 

packages/auth/README.md

 # Auth Web Components
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/Auth)
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 ## Keycloak Component
 
 ### Usage

packages/check-in-place-select/README.md

 # Check-in place select web component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/toolkit)
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 ## Usage
 
 ```html

packages/common/README.md

 # Common Code
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/Common)
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 ## Icon Web Component
 
 For valid icon names see: [LineIcons](https://lineicons.com/icons/)

packages/data-table-view/README.md

 # DataTableView Web Component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/KnowledgeBaseWebPageElementView)
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 # Usage
 
 ```html

packages/file-handling/README.md

 # File handling web components
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/FileHandling)
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 ## FileSource
 
 This web component allows the selection of local files via file dialog or drag and drop and to select and download

packages/knowledge-base-web-page-element-view/README.md

 # KnowledgeBaseWebPageElementView Web Component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/KnowledgeBaseWebPageElementView)
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 ## Usage
 
 ```html

packages/language-select/README.md

 # Language Select Web Component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/LanguageSelect)
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 ## Local development
 
 ```bash

packages/matomo/README.md

 # Matomo Web Component
 
-[GitLab Repository](git@gitlab.tugraz.at:dbp/web-components/toolkit.git)
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 ## Usage
 
 ```html

packages/notification/README.md

 # Notification Web Component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/Notification)
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 ## Usage
 
 ```html

packages/person-profile/README.md

 # Person Profile Web Component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/PersonProfile)
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 ## Usage
 
 ```html

packages/person-select/README.md

 # Person Select Web Component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/PersonSelect)
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 ## Usage
 
 ```html

packages/qr-code-scanner/README.md

 # QR code Scanner Web Component
 
-[GitLab Repository](https://gitlab.tugraz.at/dbp/web-components/qr-code-scanner)
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 ## Requirements
 - Https