docs(README): remove redundant link

Author: AndersDJohnson

README.md

@@ -16,7 +16,6 @@ Used by [commitizen/cz-conventional-changelog](https://github.com/commitizen/cz-
 Can be used with [kentcdodds/validate-commit-msg](https://github.com/kentcdodds/validate-commit-msg#types).
 
 Commit types originally from:
-* https://github.com/angular/angular/blob/master/CONTRIBUTING.md#type
 * [AngularJS Git Commit Message Conventions](https://github.com/angular/angular/blob/master/CONTRIBUTING.md#type)
 * [commitizen/cz-conventional-changelog](https://github.com/commitizen/cz-conventional-changelog)