build(package): simplify repository fields

created using @octoherd and https://github.com/gr2m/octoherd-script-normalize-package-repository-field

Author: gr2m

package.json

@@ -10,7 +10,7 @@
     "test": "jest --coverage",
     "semantic-release": "semantic-release"
   },
-  "repository": "https://github.com/octokit/auth.js",
+  "repository": "github:octokit/auth.js",
   "keywords": [
     "github",
     "octokit",
@@ -19,10 +19,6 @@
   ],
   "author": "Gregor Martynus (https://github.com/gr2m)",
   "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/octokit/auth.js/issues"
-  },
-  "homepage": "https://github.com/octokit/auth.js#readme",
   "browser": {
     "@octokit/auth-action": "./pkg/dist-src/auth-action-browser.js"
   },