images: cleaned and renamed image recipe

recipes-core/images/core-image-ros-groovy-qemux86-running-roscore.bb → recipes-core/images/core-image-ros-roscore.bb

@@ -10,17 +10,7 @@ inherit core-image
 
 IMAGE_ROOTFS_SIZE = "8192"
 
-# add own name to hosts
-# this is a simplistic setup for the qemu virtual machine with x86 architecture,
-# and not a general solution.
-augment_hosts_setting_file () {
-	echo '127.0.0.1\tqemux86.localdomain\t\tqemux86' >> ${IMAGE_ROOTFS}/etc/hosts
-}
-
 # remove not needed ipkg informations
-# create a custom hosts file
-ROOTFS_POSTPROCESS_COMMAND += "remove_packaging_data_files ; augment_hosts_setting_file ; "
+ROOTFS_POSTPROCESS_COMMAND += "remove_packaging_data_files"
 
-IMAGE_INSTALL += "packagegroup-core-ssh-openssh \
-  roslaunch \
-"
+IMAGE_INSTALL += "roslaunch"