Removed relative and imagedir attribute

src/docs/asciidoc/sdk.adoc

@@ -2,8 +2,6 @@
 :author:
 :revnumber:
 :revdate: 2016/03/17 20:48
-:relfileprefix: ../
-:imagesdir: ..
 :experimental:
 :keywords: documentation, tool, sdk
 ifdef::env-github,env-browser[:outfilesuffix: .adoc]