Remove license-checker.

In the future we will be using pre-existing industry standard tools
such as coreos'
https://github.com/coreos/license-bill-of-materials/Signed-off-by: NRenaud Gaubert <rgaubert@nvidia.com>

license/Dockerfile

-FROM debian:buster-slim
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-        ruby \
-        ruby-dev \
-        bundler \
-        cmake \
-        pkg-config \
-        git \
-        build-essential \
-        libssl-dev
-
-RUN gem install licensee
-
-CMD ["/bin/bash"]

license/check.sh

-#! /bin/bash
-
-set -ex
-
-
-find . \( -path ./.git -o -path ./license \)  -prune -o -print -type f | \
-	grep -i -E "license|copying" > /tmp/LICENSES.list
-
-for path in `cat /tmp/LICENSES.list`; do
-	# Print the license for logging purposes
-	licensee detect ${path} | tee -a /tmp/LICENSE.full
-
-	# Ensure the format is of the form "${path} ${license}"
-	license=$(licensee detect ${path} | \
-		grep '^License:' | tr -s ' ' | awk '{print $2}')
-	confidence=$(licensee detect ${path} | \
-		tr -s ' ' | grep -E '^ Confidence:' | awk '{print $2}')
-
-	echo "Inspecting License ${license} (${confidence}) at ${path}" | tee -a /tmp/LICENSE.result
-	if grep -Fxq "${license}" ./license/whitelist.txt; then
-		continue
-	fi
-
-	echo "Found unexpected license at ${path}" | tee -a /tmp/LICENSE.result
-
-	if grep -Fq "${path}" ./license/whitelist.txt; then
-		echo -e "There was a manual inspection for this license\n" | tee -a /tmp/LICENSE.result
-		continue
-	fi
-
-	cat /tmp/LICENSE.result
-	exit 1
-done
-
-cat /tmp/LICENSE.result

license/whitelist.txt

-Apache-2.0
-BSD-3-Clause
-MIT
-ISC
-./runtime/src/vendor/github.com/pmezard/go-difflib/LICENSE, BSD