Revert "Support for show partition names in block device vfs."

This reverts commit f3f17c12fb2584d5038025dc8503f1d88271e8cc.
partial restore for f3f17c12fb2584d5038025dc8503f1d88271e8cc
full restore

Change-Id: I55684598dee032969f4a1a9a7579ade2591266bc
update config
drop debug code in fs