Remove Weaviate (already listed at dbdb.io) (#3813)

- Since https://github.com/awesome-selfhosted/awesome-selfhosted/pull/3811 duplicates between awesome-selfhosted and https://dbdb.io/browse are no longer allowed.
- Weaviate is already listed at https://dbdb.io/db/weaviate

.github/PULL_REQUEST_TEMPLATE.md

@@ -16,7 +16,7 @@ To ensure your PR is dealt with swiftly please check the following:
   ``- [Name](http://homepage/) `⚠` - Short description, under 250 characters, sentence case. ([Demo](http://url.to/demo), [Source Code](http://url.of/source/code), [Clients](https://url.to/list/of/related/clients-or-apps)) `License` `Language` ``
 - [ ] Additions that are not [Free software](https://en.wikipedia.org/wiki/Free_software) must be added to `non-free.md` and have the license set to `⊘ Proprietary`
 - [ ] Additions are inserted preserving alphabetical order.
-- [ ] Additions are not already listed at any of [awesome-sysadmin](https://github.com/n1trux/awesome-sysadmin), [staticgen.com](https://www.staticgen.com/), [staticsitegenerators.net](https://staticsitegenerators.net/).
+- [ ] Additions are not already listed at any of [awesome-sysadmin](https://github.com/n1trux/awesome-sysadmin), [staticgen.com](https://www.staticgen.com/), [staticsitegenerators.net](https://staticsitegenerators.net/), [dbdb.io](https://dbdb.io/browse).
 - [ ] The `Language` tag is the main **server-side** requirement for the software. Don't include frameworks or specific dialects.
 - [ ] Any license you add is in our [list of licenses](https://github.com/awesome-selfhosted/awesome-selfhosted/blob/master/README.md#list-of-licenses).
 - [ ] You have searched the repository for any relevant [issues](https://github.com/awesome-selfhosted/awesome-selfhosted/issues) or [PRs](https://github.com/awesome-selfhosted/awesome-selfhosted/pulls), including closed ones.

README.md

@@ -1146,13 +1146,12 @@ _See also: [awesome-sysadmin/IT Asset Management](https://github.com/awesome-fos
 
 [Knowledge management](https://en.wikipedia.org/wiki/Knowledge_management) is the collection of methods relating to creating, sharing, using and managing the knowledge and information.
 
-_Related: [Note-taking & Editors](#note-taking--editors), [Wikis](#wikis)_
+_Related: [Note-taking & Editors](#note-taking--editors), [Wikis](#wikis), [Database Management](#database-management)_
 
 - [Atomic Server](https://github.com/atomicdata-dev/atomic-data-rust) - Knowledge graph database with documents (similar to Notion), tables, search, and a powerful linked data API. Lightweight, very fast and no runtime dependencies. ([Demo](https://atomicdata.dev/)) `MIT` `Docker/Rust`
 - [Mindmaps](https://github.com/drichard/mindmaps) - Open source, offline capable, mind mapping application. ([Demo](https://www.mindmaps.app)) `AGPL-3.0` `HTML5`
 - [My Mind](https://github.com/ondras/my-mind) - Web application for creating and managing mind maps. ([Demo](https://my-mind.github.io/?url=examples%2Ffeatures.mymind)) `MIT` `Javascript`
 - [TeamMapper](https://github.com/b310-digital/teammapper) - Host and create your own mindmaps. Share your mindmap sessions with your team and collaborate live on mindmaps. ([Demo](https://map.kits.blog)) `MIT` `Docker/Nodejs`
-- [Weaviate](https://weaviate.io/) - A cloud-native, realtime vector search engine integrating scalable machine learning models (GraphQL and RESTful APIs). ([Demo](https://github.com/semi-technologies/semantic-search-through-wikipedia-with-weaviate/), [Source Code](https://github.com/semi-technologies/weaviate), [Clients](https://weaviate.io/developers/weaviate/current/client-libraries/index.html)) `BSD-3-Clause` `Go`
 
 
 ### Learning and Courses