chore: only release on master (#4)

Author: kbrandwijk

.travis.yml

@@ -7,8 +7,6 @@ notifications:
 node_js:
   - '9'
   - '8'
-  - '6'
-  - '4'
 after_success:
   - npm run semantic-release
 branches:

package.json

@@ -30,17 +30,11 @@
   },
   "devDependencies": {
     "@types/node": "8.5.2",
-    "conventional-changelog-eslint": "0.3.0",
     "tslint": "5.8.0",
     "typescript": "2.6.2",
     "semantic-release": "11.1.0"
   },
   "release": {
-    "analyzeCommits": {
-      "preset": "eslint"
-    },
-    "generateNotes": {
-      "preset": "eslint"
-    }
+    "branch": "master"
   }
 }