[macOS] Remove unused NVM installer script (#11803)

images/macos/scripts/build/install-nvm.sh

@@ -1,36 +0,0 @@
-#!/bin/bash -e -o pipefail
-################################################################################
-##  File:  install-nvm.sh
-##  Desc:  Install node version manager
-################################################################################
-
-source ~/utils/utils.sh
-
-[[ -n $API_PAT ]] && authString=(-H "Authorization: token ${API_PAT}")
-
-nvm_version=$(get_toolset_value '.node.nvm_installer')
-if [[ -z $nvm_version || "$nvm_version" == "latest" ]]; then
-    nvm_version=$(curl "${authString[@]}" -fsSL https://api.github.com/repos/nvm-sh/nvm/releases/latest | jq -r '.tag_name')
-fi
-
-if [[ $nvm_version != "v*" ]]; then
-    nvm_version="v${nvm_version}"
-fi
-
-nvm_installer_path=$(download_with_retry "https://raw.githubusercontent.com/nvm-sh/nvm/$nvm_version/install.sh")
-
-if bash $nvm_installer_path; then
-    source ~/.bashrc
-    nvm --version
-    for version in $(get_toolset_value '.node.nvm_versions[]'); do
-        nvm install "v${version}"
-    done
-
-    # set system node as default
-    nvm alias default system
-    echo "Node version manager has been installed successfully"
-else
-    echo "Node version manager installation failed"
-fi
-
-invoke_tests "Node" "nvm"