chore(ci): remove greenkeeper-lockfile dependency

.travis.yml

@@ -17,10 +17,7 @@ notifications:
     secure: "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"
 
 install:
-  - if [[ "$TRAVIS_BRANCH" = "greenkeeper/"* ]]; then npm install; else npm ci; fi
-
-before_script:
-  - greenkeeper-lockfile-update
+  - npm ci
 
 script:
   - npm test
@@ -29,9 +26,6 @@ script:
 after_success:
   - bash <(curl -s https://codecov.io/bash)
 
-after_script:
- - greenkeeper-lockfile-upload
-
 jobs:
   include:
     - stage: publish

package.json

@@ -54,7 +54,6 @@
     "call-signature": "0.0.2",
     "eslint": "^6.6.0",
     "eslint-config-smartcar": "^3.0.0",
-    "greenkeeper-lockfile": "^1.15.1",
     "mockery": "^2.0.0",
     "nyc": "^15.0.0",
     "semantic-release": "^17.0.0",