remove unnecessary boolean type from repo option

Author: trusktr

docs/configuration.md

@@ -714,7 +714,7 @@ window.$docsify = {
 
 ## repo
 
-- Type: `false | String`
+- Type: `String`
 
 Configure the repository url, or a string of `username/repo`, to add the [GitHub Corner](http://tholman.com/github-corners/) widget in the top right corner of the site.
 
@@ -726,7 +726,7 @@ window.$docsify = {
 };
 ```
 
-If `false` or empty, no GitHub corner will be displayed.
+If undefined or empty, no GitHub corner will be displayed.
 
 ## requestHeaders
 

src/core/config.js

@@ -50,7 +50,7 @@ const defaultDocsifyConfig = () => ({
   onlyCover: false,
   plugins: /** @type {Plugin[]} */ ([]),
   relativePath: false,
-  repo: /** @type {boolean | string} */ (''),
+  repo: /** @type {string} */ (''),
   requestHeaders: /** @type {Record<string, string>} */ ({}),
   routerMode: /** @type {'hash' | 'history'} */ 'hash',
   routes: /** @type {Record<string, string | RouteHandler>} */ ({}),
@@ -200,11 +200,6 @@ export default function (vm, config = {}) {
     config.coverpage = '_coverpage' + config.ext;
   }
 
-  // CONTINUE Why are we checking for `true` here and setting an empty string (which behaves the same as false)?
-  if (config.repo === true) {
-    config.repo = '';
-  }
-
   if (config.name === true) {
     config.name = '';
   }