remove matrix.org code of conduct from conduwuit's foundational rules

while their code of conduct has very great baseline points, this is not a code of
conduct the foundation upholds themselves, so it would be a disserve to mislead
folks into using this as a baseline.

Signed-off-by: strawberry <strawberry@puppygock.gay>

docs/conduwuit_coc.md

@@ -7,9 +7,8 @@ # conduwuit Community Code of Conduct
 Conduct applies to all conduwuit spaces, including any further community rooms that reference this CoC. Here are our
 guidelines to help maintain the welcoming atmosphere that sets conduwuit apart.
 
-For the foundational rules, please refer to the [Matrix.org Code of Conduct](https://matrix.org/legal/code-of-conduct/)
-and the [Contributor's Covenant](https://github.com/girlbossceo/conduwuit/blob/main/CODE_OF_CONDUCT.md). Below are
-additional guidelines specific to the conduwuit community.
+For the general foundational rules, please refer to the [Contributor's Covenant](https://github.com/girlbossceo/conduwuit/blob/main/CODE_OF_CONDUCT.md).
+Below are additional guidelines specific to the conduwuit community.
 
 ## Our Values and Guidelines