Revert "Use a helper to find built binaries"

cluster/kubectl.sh

@@ -20,7 +20,6 @@ set -o pipefail
 
 KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
 source "${KUBE_ROOT}/cluster/kube-env.sh"
-source "${KUBE_ROOT}/hack/lib/util.sh"
 UTILS=${KUBE_ROOT}/cluster/${KUBERNETES_PROVIDER}/util.sh
 if [ -f ${UTILS} ]; then
     source "${UTILS}"
@@ -32,10 +31,51 @@ get_absolute_dirname() {
   echo "$(cd "$(dirname "$1")" && pwd)"
 }
 
+# Detect the OS name/arch so that we can find our binary
+case "$(uname -s)" in
+  Darwin)
+    host_os=darwin
+    ;;
+  Linux)
+    host_os=linux
+    ;;
+  *)
+    echo "Unsupported host OS.  Must be Linux or Mac OS X." >&2
+    exit 1
+    ;;
+esac
+
+case "$(uname -m)" in
+  x86_64*)
+    host_arch=amd64
+    ;;
+  i?86_64*)
+    host_arch=amd64
+    ;;
+  amd64*)
+    host_arch=amd64
+    ;;
+  arm*)
+    host_arch=arm
+    ;;
+  i?86*)
+    host_arch=x86
+    ;;
+  *)
+    echo "Unsupported host arch. Must be x86_64, 386 or arm." >&2
+    exit 1
+    ;;
+esac
+
 # If KUBECTL_PATH isn't set, gather up the list of likely places and use ls
 # to find the latest one.
 if [[ -z "${KUBECTL_PATH:-}" ]]; then
-  kubectl=$(kube::util::find-binary "kubectl")
+  locations=(
+    "${KUBE_ROOT}/_output/dockerized/bin/${host_os}/${host_arch}/kubectl"
+    "${KUBE_ROOT}/_output/local/bin/${host_os}/${host_arch}/kubectl"
+    "${KUBE_ROOT}/platforms/${host_os}/${host_arch}/kubectl"
+  )
+  kubectl=$( (ls -t "${locations[@]}" 2>/dev/null || true) | head -1 )
 
   if [[ ! -x "$kubectl" ]]; then
     {