Remove pdf doc generation for Spring Cloud Skipper (#6036)

This is a non standard document type for the SCDF project.

Resolves #6025

Signed-off-by: Glenn Renfro <grenfro@vmware.com>

spring-cloud-skipper/spring-cloud-skipper-docs/pom.xml

@@ -147,11 +147,6 @@
 						<artifactId>asciidoctor-maven-plugin</artifactId>
 						<version>${asciidoctor-maven-plugin.version}</version>
 						<dependencies>
-							<dependency>
-								<groupId>org.asciidoctor</groupId>
-								<artifactId>asciidoctorj-pdf</artifactId>
-								<version>${asciidoctorj-pdf.version}</version>
-							</dependency>
 							<dependency>
 								<groupId>io.spring.asciidoctor.backends</groupId>
 								<artifactId>spring-asciidoctor-backends</artifactId>
@@ -197,23 +192,6 @@
 									</attributes>
 								</configuration>
 							</execution>
-							<execution>
-								<id>generate-pdf</id>
-								<phase>generate-resources</phase>
-								<goals>
-									<goal>process-asciidoc</goal>
-								</goals>
-								<configuration>
-									<backend>pdf</backend>
-									<sourceHighlighter>coderay</sourceHighlighter>
-									<attributes>
-										<icons>font</icons>
-										<sectnums/>
-										<pagenums/>
-										<toc/>
-									</attributes>
-								</configuration>
-							</execution>
 						</executions>
 					</plugin>
 					<plugin>
@@ -263,10 +241,6 @@
 												<include name="css/**"/>
 												<include name="js/**"/>
 											</zipfileset>
-											<zipfileset dir="${project.build.directory}/generated-docs"
-														prefix="reference/pdf">
-												<include name="index.pdf"/>
-											</zipfileset>
 										</zip>
 									</target>
 								</configuration>