fix(books): free-programming-books-zh broken links

[LuigiImVector]

What does this PR do?

Remove resource(s) | Improve repo

For resources

Description

Solved a problem of #6942.

• http://www.kancloud.cn/kancloud/intro-to-prog/52592 works
• https://web.archive.org/web/20190222162556/http://learnvimscriptthehardway.onefloweroneworld.com/ the most recent snapshots don't work totally
• https://beej-zhtw-gitbook.netdpi.net/ should be the same resource of the original, needs review
• github.com/* work
• https://angular.cn/* leave them or remove them? See Error 522 Connection timed out ng-docs/angular-cn#12

Checklist:

• Read our contributing guidelines.
• Search for duplicates.
• Used an informative name for this pull request.

Follow-up

• Check the status of GitHub Actions and resolve any reported warnings!

[davorpa]

• web.archive.org/web/20190222162556/http://learnvimscriptthehardway.onefloweroneworld.com the most recent snapshots don't work totally

Is a translation of a leanpub book https://leanpub.com/learnvimscriptthehardway. Needs review about access rights too (see issue #6852 about)?

[LuigiImVector]

Is a translation of a leanpub book https://leanpub.com/learnvimscriptthehardway. Needs review about access rights too (see issue #6852 about)?

The official website for that book is: https://learnvimscriptthehardway.stevelosh.com/, it's just a translation of this website so I think it's okay

[davorpa]

It's enough for me