Remove no longer needed config option from setup_rust_fork.sh

Author: bjorn3

scripts/setup_rust_fork.sh

@@ -25,9 +25,6 @@ git -c user.name=Dummy -c [email protected] -c commit.gpgSign=false \
 cat > config.toml <<EOF
 change-id = 999999
 
-[llvm]
-ninja = false
-
 [build]
 rustc = "$(pwd)/../dist/bin/rustc-clif"
 cargo = "$(rustup which cargo)"