kernel/pid.c: remove unneeded hash header file

Hash functions are not needed since idr is used now.  Let's remove hash
header file for cleanup.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Timmy Li <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Mike Rapoport <[email protected]>
Cc: KJ Tsanaktsidis <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions