InlineLexer Type should be deleted

[upupming]

The InlineLexer doesn't exist anymore, probably we should change this file: https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/marked/index.d.ts#L121

I have rebased and implemented option 2 from #1627 (comment)

It didn't make sense to keep the InlineLexer so I just merged it into the Lexer

Hi, since the InlineLexer class has been deleted, can you delete the type definitions in @types/marked too, thanks!

Originally posted by @upupming in #1627 (comment)

[UziTech]

This issue should be moved to the https://github.com/DefinitelyTyped/DefinitelyTyped repo.

[upupming]

@UziTech Thanks for the suggestion, it seems the @types/marked is contributed by different users, so I should change the file by myself and make a PR to their repo.