cleanup ignore lint error: dt-header

types/js-yaml/index.d.ts

@@ -1,4 +1,4 @@
-// Type definitions for js-yaml 3.9.1
+// Type definitions for js-yaml 3.9
 // Project: https://github.com/nodeca/js-yaml
 // Definitions by: Bart van der Schoor <https://github.com/Bartvds>, Sebastian Clausen <https://github.com/sclausen>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

types/js-yaml/tslint.json

@@ -2,7 +2,6 @@
     "extends": "dtslint/dt.json",
     "rules": {
         "ban-types": false,
-        "dt-header": false,
         "export-just-namespace": false,
         "max-line-length": [true, 240],
         "member-access": false,