Update README.md

The given repository is no longer needed to install the specified packages.

Author: fatihaktas845

README.md

@@ -432,9 +432,6 @@ apt install build-essential cmake vim-nox python3-dev
 - Install mono-complete, go, node, java, and npm
 
 ```
-sudo mkdir -p /etc/apt/keyrings
-curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
-echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_current.x nodistro main" | sudo tee /etc/apt/sources.list.d/nodesource.list
 apt install mono-complete golang nodejs openjdk-17-jdk openjdk-17-jre npm
 ```