Remove Intel plugin image builder scripts from distroless dir

In this commit, we are removing intel plugin docker image creation
scripts from distroless directory.
Path:
https://github.com/starlingx/integ/tree/master/kubernetes/plugins/intel-device-plugin/distroless

Now,intel released pre-built image is used for intel QAT and
GPU plugins from docker hub.
https://hub.docker.com/r/intel/intel-gpu-plugin/tags

TEST PLAN:
PASS: build and bootstap is successful.

Story: 2010604
Task: 47855

Signed-off-by: Md Irshad Sheikh <mdirshad.sheikh@windriver.com>
Change-Id: I0546213ef5c69cfbe291a0ead0857371e35fd805

distroless_stable_docker_images.inc

@@ -1,2 +1,2 @@
 kubernetes/armada
-kubernetes/plugins/intel-device-plugin
+#kubernetes/plugins/intel-device-plugin

kubernetes/plugins/intel-device-plugin/distroless/build-intel-device-plugins-image.sh

@@ -1,43 +0,0 @@
-#!/bin/bash
-################################################################################
-# Copyright (c) 2019 Wind River Systems, Inc.
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-################################################################################
-
-DEVICE=$1
-IMAGE_TAG=$2
-
-if [ -z "${IMAGE_TAG}" ]; then
-    echo "image tag must be specified. build ${DEVICE} Aborting..." >&2
-    exit 1
-fi
-
-# https://bugs.launchpad.net/starlingx/+bug/1927153
-# https://bugs.launchpad.net/starlingx/+bug/1939448
-# pin clearlinux/golang to the last known working tag
-CLEAR_LINUX_BASE=clearlinux/golang:1.15.10
-CLEAR_LINUX_VERSION=34900
-
-sed -i -r \
-    -e 's!^(\s*ARG\s+CLEAR_LINUX_BASE\s*=\s*).*!\1'$CLEAR_LINUX_BASE'!' \
-    -e 's!^(\s*ARG\s+CLEAR_LINUX_VERSION\s*=\s*).*!\1--version='$CLEAR_LINUX_VERSION'!' \
-    build/docker/${DEVICE}.Dockerfile || exit 1
-
-make ${DEVICE}
-
-if [ $? -ne 0 ]; then
-    echo "Failed to make ${DEVICE}. Aborting..." >&2
-    exit 1
-fi
-
-RETVAL=0
-docker tag intel/${DEVICE}:devel "${IMAGE_TAG}"
-if [ $? -ne 0 ]; then
-    echo "Failed to tag ${DEVICE} with ${IMAGE_TAG}. Aborting..." >&2
-    RETVAL=1
-fi
-
-docker rmi intel/${DEVICE}:devel
-exit ${RETVAL}

kubernetes/plugins/intel-device-plugin/distroless/intel-fpga-admissionwebhook.stable_docker_image

@@ -1,7 +0,0 @@
-BUILDER=script
-LABEL=intel-fpga-admissionwebhook
-SOURCE_REPO=https://github.com/intel/intel-device-plugins-for-kubernetes.git
-SOURCE_REF=4f28657b6b4a37a7ed2e8398808c150eb4f1bdd1
-COMMAND=bash
-SCRIPT=build-intel-device-plugins-image.sh
-ARGS=intel-fpga-admissionwebhook

kubernetes/plugins/intel-device-plugin/distroless/intel-fpga-initcontainer.stable_docker_image

@@ -1,7 +0,0 @@
-BUILDER=script
-LABEL=intel-fpga-initcontainer
-SOURCE_REPO=https://github.com/intel/intel-device-plugins-for-kubernetes.git
-SOURCE_REF=4f28657b6b4a37a7ed2e8398808c150eb4f1bdd1
-COMMAND=bash
-SCRIPT=build-intel-device-plugins-image.sh
-ARGS=intel-fpga-initcontainer

kubernetes/plugins/intel-device-plugin/distroless/intel-fpga-plugin.stable_docker_image

@@ -1,7 +0,0 @@
-BUILDER=script
-LABEL=intel-fpga-plugin
-SOURCE_REPO=https://github.com/intel/intel-device-plugins-for-kubernetes.git
-SOURCE_REF=4f28657b6b4a37a7ed2e8398808c150eb4f1bdd1
-COMMAND=bash
-SCRIPT=build-intel-device-plugins-image.sh
-ARGS=intel-fpga-plugin

kubernetes/plugins/intel-device-plugin/distroless/intel-gpu-plugin.stable_docker_image

@@ -1,7 +0,0 @@
-BUILDER=script
-LABEL=intel-gpu-plugin
-SOURCE_REPO=https://github.com/intel/intel-device-plugins-for-kubernetes.git
-SOURCE_REF=4f28657b6b4a37a7ed2e8398808c150eb4f1bdd1
-COMMAND=bash
-SCRIPT=build-intel-device-plugins-image.sh
-ARGS=intel-gpu-plugin

kubernetes/plugins/intel-device-plugin/distroless/intel-qat-plugin.stable_docker_image

@@ -1,7 +0,0 @@
-BUILDER=script
-LABEL=intel-qat-plugin
-SOURCE_REPO=https://github.com/intel/intel-device-plugins-for-kubernetes.git
-SOURCE_REF=c48c502d002ee5e03bbd8fa02884730da3cdff11
-COMMAND=bash
-SCRIPT=build-intel-device-plugins-image.sh
-ARGS=intel-qat-plugin