Revert "FROMLIST: BACKPORT: procfs/dmabuf: Add inode number to /..."

Revert submission 1578844

Reason for revert: Will be replaced by upstream version
Reverted Changes:
Ic9c551998:FROMLIST: BACKPORT: procfs/dmabuf: Add inode numbe...
I41407760c:FROMLIST: procfs: Allow reading fdinfo with PTRACE...

Bug: 159126739
Bug: 167141117
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Change-Id: If02a6dc9a525193f286a138791de49085cd91972