feat: remove yarn dependency (#2297)

dev/build_docker.sh

@@ -20,20 +20,13 @@ while getopts ":ilp" opt; do
       export VSCODE_LATEST="yes"
       ;;
     p)
-      export SKIP_ASSETS="no" 
+      export SKIP_ASSETS="no"
       ;;
     *)
       ;;
   esac
 done
 
-if ! exists yarn; then
-  curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash -
-  sudo apt-get install -y nodejs desktop-file-utils
-
-  npm install -g yarn
-fi
-
 UNAME_ARCH=$( uname -m )
 
 if [[ "${UNAME_ARCH}" == "x86_64" ]]; then