EX-4130 lipe: Remove old hotpool scripts

EX-4130 lipe: Remove old hotpool scripts

Hotpool scripts now live in EMF repo.
The scrips in lipe/ are unmaintained and non-functional.

Change-Id: I2f288f7f68886015ddb9a85da4e437c9f03c3928
Signed-off-by: Nathaniel Clark <nclark@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/51215
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Colin Faber <cfaber@ddn.com>
Reviewed-by: Shuichi Ihara <sihara@ddn.com>
Reviewed-by: Artur Novik <anovik@ddn.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>