- Travis: Avoid testing older ESLint

Author: brettz9

.travis.yml

@@ -8,21 +8,18 @@ node_js:
 
 before_install:
   - npm config set depth 0
-before_script:
-  - 'if [ "${ESLINT-}" == "6" ]; then npm install --no-save "eslint@${ESLINT}.1" ; fi'
-  - 'if [ "${ESLINT-}" == "5" ]; then npm install --no-save "eslint@${ESLINT}" mocha@6.2.2 eslint-plugin-unicorn@8.0.2 @typescript-eslint/parser@1.13.0 ; fi'
 script:
   - npm run test
   - 'if [ -n "${LINT-}" ]; then npm run eslint; fi'
 env:
   jobs:
-    - ESLINT=6
-    - ESLINT=5
+    - ESLINT=7
 jobs:
   fast_finish: true
   include:
     - node_js: 'lts/*'
       env: LINT=true
-  exclude:
-    - node_js: 6
-      env: ESLINT=6
+
+#  exclude:
+#    - node_js: 6
+#      env: ESLINT=6