chore(ci): drop greenkeeper-lockfile

No longer needed - https://blog.greenkeeper.io/announcing-native-lockfile-support-85381a37a0d0

.travis.yml

@@ -20,27 +20,6 @@ env:
 
 jobs:
   include:
-    - stage: Greenkeeper
-      # this stage only runs for branches with name starting with "greenkeeper"
-      # it only needs to run as part of a PR send by Greenkeeper bot, it doesn't
-      # do anything for other branches or PRs
-      if: branch =~ /^greenkeeper.*/
-      <<: *DEFAULTS_JS
-      # disable cache for Greenkeeper stage, having cache causes greenkeeper
-      # to scan the entire node_modules looking for package.json files
-      # it also doesn't need the cache for anything, it's an external command
-      # installed manually
-      cache:
-        directories: []
-      # change the name and the email in the commit modifying package-lock.json
-      # to match user commiting changes to package.json
-      # https://github.com/greenkeeperio/greenkeeper-lockfile/pull/101
-      env:
-        - GK_LOCK_COMMIT_NAME="greenkeeper[bot]"
-        - GK_LOCK_COMMIT_EMAIL="<greenkeeper[bot]@users.noreply.github.com>"
-      script:
-        - make greenkeeper-lockfile
-
     - stage: Test Go code
       <<: *DEFAULTS_GO
       before_script:

Makefile

@@ -157,12 +157,6 @@ mock-assets: .build/deps-build-go.ok
 .PHONY: ui
 ui: .build/artifacts-ui.ok
 
-.PHONY: greenkeeper-lockfile
-greenkeeper-lockfile:
-	npm install -g greenkeeper-lockfile@2
-	cd ui && greenkeeper-lockfile-update
-	cd ui && greenkeeper-lockfile-upload
-
 .PHONY: heroku
 heroku:
 	docker pull lmierzwa/karma:latest