Move doc test to workflow (#3800)

Replace doc CI test with automatic workflow.

Signed-off-by: Ben Kochie <superq@gmail.com>

.circleci/config.yml

@@ -40,14 +40,6 @@ buildCoreDNSImage: &buildCoreDNSImage
         kind load docker-image coredns
 
 jobs:
-  doc-test:
-    docker:
-      - image: circleci/golang:1.13
-    steps:
-      - checkout
-      - run: ./.circleci/fixup_file_mtime.sh
-      - run: make -f Makefile.doc
-      - run: git diff --exit-code -- man/
   kubernetes-tests:
     <<: *integrationDefaults
     steps:
@@ -70,5 +62,4 @@ workflows:
   version: 2
   integration-tests:
     jobs:
-      - doc-test
       - kubernetes-tests

.circleci/fixup_file_mtime.sh

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-#
-# Description: Fix up the file mtimes based on the git log.
-
-set -u -o pipefail
-
-if [[ ! -f 'coredns.1.md' ]]; then
-  echo 'ERROR: Must be run from the top of the git repo.'
-  exit 1
-fi
-
-for file in coredns.1.md corefile.5.md plugin/*/README.md; do
-  time=$(git log --pretty=format:%cd -n 1 --date='format:%Y%m%d%H%M.%S' "${file}")
-  touch -m -t "${time}" "${file}"
-done