Update README.asc

Author: cnguyen83

README.asc

@@ -14,13 +14,7 @@ See link:CONTRIBUTING.md[the Contributing document] for more information.
 
 == How To Generate the Book
 
-There are two ways to generate e-book content from this source code.
-
-The easiest way is simply to let us do it.
-
-You can find the current HTML version on http://git-scm.com/book[].
-
-The other way to generate e-book files is to do so manually with Asciidoctor.
+You can generate the e-book files manually with Asciidoctor.
 If you run the following you _may_ actually get HTML, Epub, Mobi and PDF output files:
 
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