ci: Fix rust cross installation

ci/install-cross-rust.yml

@@ -32,10 +32,6 @@ steps:
       git config --global user.name "I merge the things"
       git clone https://github.com/rust-embedded/cross
       cd cross
-      git remote add pitkley https://github.com/pitkley/cross
-      git fetch pitkley
-      git checkout 718a19c
-      git merge -m "No pseudo tty" pitkley/docker-no-pseudo-tty
       cargo install --force --path .
     displayName: Install cross
   # All platforms