Revert "Fix linked versions in previous commit."

This reverts commit 494c48a, which was
intended for another branch.

Author: carlosame

pom.xml

@@ -51,8 +51,8 @@
 			<artifactId>maven-javadoc-plugin</artifactId>
 			<configuration>
 				<links>
-					<link>https://docs.oracle.com/javase/7/docs/api/</link>
-					<link>https://css4j.github.io/api/1.0/</link>
+					<link>https://docs.oracle.com/javase/8/docs/api/</link>
+					<link>https://css4j.github.io/api/2.0/</link>
 					<link>https://about.validator.nu/htmlparser/apidocs/</link>
 				</links>
 			</configuration>