Edge book versions: Changes to address review feedback

Author: Gagrio

asciidoc/edge-book/versions.adoc

@@ -15,7 +15,6 @@
 :micro-base-image-raw: SL-Micro.x86_64-6.0-Base-GM2.raw
 :micro-base-image-iso: SL-Micro.x86_64-6.0-Base-SelfInstall-GM2.install.iso
 :micro-default-image-iso: SL-Micro.x86_64-6.0-Default-SelfInstall-GM2.install.iso
-:micro-default-image-raw: SL-Micro.x86_64-6.0-Default-SelfInstall-GM2.install.raw
 :version-sl-micro: 6.0
 
 // == Edge Image Builder ==