remove ctregistry for OptimalControl.jl

Author: ocots

.github/workflows/Breakage.yml

@@ -56,9 +56,6 @@ jobs:
           set -v
           mkdir -p ./pr
           echo "${{ github.event.number }}" > ./pr/NR
-          if [ $URL == "control-toolbox/OptimalControl.jl" ]; then
-            julia -e 'using Pkg; Pkg.Registry.add(RegistrySpec(url = "https://github.com/control-toolbox/ct-registry.git"))'
-          fi
           git clone https://github.com/$URL
           export PKG=$(echo $URL | cut -f2 -d/)
           cd $PKG