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.

Lustre-change: https://review.whamcloud.com/43099
Lustre-commit: cd1847e73e5990ef797280846dc27fc0b0a876e9

[NOTE: missing changes to procfs output that change field names]

Test-Parameters: trivial testlist=sanity-quota
Test-Parameters: testlist=sanity-quota serverversion=EXA5
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: I80fbd42dea865dff1d106724dbf69946d23ebbe5
Reviewed-by: Sergey Cheremencev <sergey.cheremencev@hpe.com>
Reviewed-by: Hongchao Zhang <hongchao@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/46332
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>