Removed hack/install_kubebuilder.sh

* removed hack/install_kubebuilder.sh https://github.com/kubesphere/kubesphere/issues/4187

hack/install_kubebuilder.sh

@@ -1,82 +0,0 @@
-#!/bin/sh
-
-#
-# This file will be  fetched as: curl -L https://git.io/getLatestKubebuilder | sh -
-# so it should be pure bourne shell, not bash (and not reference other scripts)
-#
-# The script fetches the latest kubebuilder release candidate and untars it.
-# It lets users to do curl -L https://git.io//getLatestKubebuilder | KUBEBUILDER_VERSION=1.0.5 sh -
-# for instance to change the version fetched.
-
-# Check if the program is installed, otherwise exit
-function command_exists () {
-  if ! [[ -x "$(command -v $1)" ]]; then
-    echo "Error: $1 program is not installed." >&2
-    exit 1
-  fi
-}
-
-# Determine OS
-OS="$(uname)"
-case $OS in
-  Darwin)
-    OSEXT="darwin"
-    ;;
-  Linux)
-    OSEXT="linux"
-    ;;
-  *)
-    echo "Only OSX and Linux OS are supported !"
-    exit 1
-    ;;
-esac
-
-HW=$(uname -m)
-case $HW in
-    x86_64)
-      ARCH=amd64 ;;
-    aarch64)
-      ARCH=arm64 ;;
-    *)
-      echo "Only x86_64/arm64 machines are supported !"
-      exit 1
-      ;;
-esac
-
-# Check if curl, tar commands/programs exist
-command_exists curl
-command_exists tar
-
-KUBEBUILDER_VERSION=v2.3.1
-KUBEBUILDER_VERSION=${KUBEBUILDER_VERSION#"v"}
-KUBEBUILDER_VERSION_NAME="kubebuilder_${KUBEBUILDER_VERSION}"
-KUBEBUILDER_DIR=/usr/local/kubebuilder
-
-# Check if folder containing kubebuilder executable exists and is not empty
-if [[ -d "$KUBEBUILDER_DIR" ]]; then
-  if [[ "$(ls -A ${KUBEBUILDER_DIR})" ]]; then
-    echo "\n/usr/local/kubebuilder folder is not empty. Please delete or backup it before to install ${KUBEBUILDER_VERSION_NAME}"
-    exit 1
-  fi
-fi
-
-TMP_DIR=$(mktemp -d)
-pushd $TMP_DIR
-
-# Downloading Kubebuilder compressed file using curl program
-URL="https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${KUBEBUILDER_VERSION}/${KUBEBUILDER_VERSION_NAME}_${OSEXT}_${ARCH}.tar.gz"
-echo "Downloading ${KUBEBUILDER_VERSION_NAME}\nfrom $URL\n"
-curl -L "$URL"| tar xz -C ${TMP_DIR}
-
-echo "Downloaded executable files"
-ls "${KUBEBUILDER_VERSION_NAME}_${OSEXT}_${ARCH}/bin"
-
-echo "Moving files to $KUBEBUILDER_DIR folder\n"
-mv ${KUBEBUILDER_VERSION_NAME}_${OSEXT}_${ARCH} kubebuilder && sudo mv -f kubebuilder /usr/local/
-
-echo "Add kubebuilder to your path; e.g copy paste in your shell and/or edit your ~/.profile file"
-echo "export PATH=\$PATH:/usr/local/kubebuilder/bin"
-popd
-rm -rf ${TMP_DIR}
-
-export PATH=$PATH:/usr/local/kubebuilder/bin