Fixed image links

removed flatten plugin

docs/src/main/asciidoc/spring-cloud-stream.adoc

@@ -1,7 +1,3 @@
-:github-tag: master
-:github-repo: spring-cloud/spring-cloud-stream
-:github-raw: https://raw.githubusercontent.com/{github-repo}/{github-tag}
-:github-code: https://github.com/{github-repo}/tree/{github-tag}
 :toc: left
 :toclevels: 8
 :nofooter:

pom.xml

@@ -120,10 +120,12 @@
 	<build>
 		<pluginManagement>
 			<plugins>
+				<!--
 				<plugin>
 					<groupId>org.codehaus.mojo</groupId>
 					<artifactId>flatten-maven-plugin</artifactId>
 				</plugin>
+				-->
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-antrun-plugin</artifactId>