Simply 1.73 installation

Author: arik-so

.github/workflows/swift.yml

@@ -33,8 +33,6 @@ jobs:
                     sudo apt-get update
                     # sudo apt-get -y upgrade
                     sudo apt-get -y install cargo lld git g++ clang curl
-                    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
-                    export PATH="$HOME/.cargo/bin:$PATH"
                     rustup install 1.73.0
                     rustup default 1.73.0
             -   name: Install Dependencies