LU-14535 quota: improve quota output format

LU-14535 quota: improve quota output format

Make the output of the quota proc files more readable by removing
needless whitespace that causes it to wrap over a single line.

Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: I80fbd42dea865dff1d106724dbf69946d23ebbe5
Reviewed-on: https://review.whamcloud.com/43099
Reviewed-by: Sergey Cheremencev <sergey.cheremencev@hpe.com>
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Hongchao Zhang <hongchao@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>