- refactored asciidoctor code (#2164)

- refreshed README.md

libraries/src/docs/asciidoc/test.adoc

@@ -1,3 +0,0 @@
-== Introduction Section
-
-Hi. I'm a simple test to see if this Maven build is working. If you see me in a nice PDF, then it means everything is [red]#working#.

libraries/src/main/java/com/baeldung/asciidoctor/AsciidoctorDemo.java

@@ -1,33 +0,0 @@
-package com.baeldung.asciidoctor;
-
-import static org.asciidoctor.Asciidoctor.Factory.create;
-import static org.asciidoctor.OptionsBuilder.options;
-
-import java.io.File;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.asciidoctor.Asciidoctor;
-
-public class AsciidoctorDemo {
-
-    private final Asciidoctor asciidoctor;
-
-    AsciidoctorDemo() {
-        asciidoctor = create();
-    }
-
-    public void generatePDFFromString(final String input) {
-
-        final Map<String, Object> options = options().inPlace(true)
-          .backend("pdf")
-          .asMap();
-
-
-        final String outfile = asciidoctor.convertFile(new File("sample.adoc"), options);
-    }
-
-    String generateHTMLFromString(final String input) {
-        return asciidoctor.convert("Hello _Baeldung_!", new HashMap<String, Object>());
-    }
-}

libraries/src/test/java/com/baeldung/asciidoctor/AsciidoctorDemoTest.java

@@ -1,13 +0,0 @@
-package com.baeldung.asciidoctor;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-public class AsciidoctorDemoTest {
-
-    @Test
-    public void givenString_whenConverting_thenResultingHTMLCode() {
-        final AsciidoctorDemo asciidoctorDemo = new AsciidoctorDemo();
-        Assert.assertEquals(asciidoctorDemo.generateHTMLFromString("Hello _Baeldung_!"), "<div class=\"paragraph\">\n<p>Hello <em>Baeldung</em>!</p>\n</div>");
-    }
-}