Merge pull request #8 from shmokmt/fix-dup-vars

delete dup vars

Author: shmokmt

script.sh

@@ -28,8 +28,6 @@ echo '::group::🐶 Installing reviewdog ... https://github.com/reviewdog/review
 curl -sfL https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh | sh -s -- -b "${TEMP_PATH}" "${REVIEWDOG_VERSION}" 2>&1
 echo '::endgroup::'
 
-export REVIEWDOG_GITHUB_API_TOKEN="${INPUT_GITHUB_TOKEN}"
-
 docker_build_jq='{
  source: {
   name: "docker-build-check",