removed unused function

hack/local_setup.sh

@@ -191,17 +191,6 @@ function scale_down_mcm() {
   kubectl scale deployment/machine-controller-manager --replicas=0
 }
 
-function update_makefile() {
-  if [[ $# -ne 1 ]]; then
-    echo -e "${FUNCNAME[0]} expects one argument - target path of makefile"
-  fi
-  local target_makefile="$1"/Makefile
-  echo "updating makefile ${target_makefile}, replacing CONTROL_NAMESPACE, CONTROL_KUBECONFIG and TARGET_KUBECONFIG default values with paths to created admin kubeconfigs..."
-  sed -i -e "s/\(CONTROL_NAMESPACE *:=\).*/\1 shoot--${PROJECT}--${SHOOT}/1" "${target_makefile}"
-  sed -i -e "s/\(CONTROL_KUBECONFIG *:=\).*/\1 dev\/kube-configs\/kubeconfig_control.yaml/1" "${target_makefile}"
-  sed -i -e "s/\(TARGET_KUBECONFIG *:=\).*/\1 dev\/kube-configs\/kubeconfig_target.yaml/1" "${target_makefile}"
-}
-
 # create_makefile_env creates a .env file that will get copied to both mcm and mcm-provider project directories for their
 # respective Makefile to use.
 function set_makefile_env() {