powermt check to clean up dead powerpath paths

server005:root / > ./sbin/powermt display dev=all
Symmetrix ID=000287751748
Logical device ID=03E7
state=alive; policy=SymmOpt; priority=0; queued-IOs=0

Symmetrix ID=000290103418
Logical device ID=03BB
state=alive; policy=SymmOpt; priority=0; queued-IOs=0
==============================================================================
---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================================================
18 6/0/2/1/0.97.5.19.0.13.1 c18t13d1 FA 9aA active alive 0 1
21 6/0/13/1/0.97.5.19.0.13.1 c21t13d1 FA 8aA active alive 0 1

Symmetrix ID=000290103418
Logical device ID=03CF
state=alive; policy=SymmOpt; priority=0; queued-IOs=0
==============================================================================
---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================================================
18 6/0/2/1/0.97.5.19.0.13.6 c18t13d6 FA 9aA active dead 0 1
21 6/0/13/1/0.97.5.19.0.13.6 c21t13d6 FA 8aA active dead 0 1



server005:root / > ./sbin/powermt check
Warning: Symmetrix device path c18t13d6 is currently dead.
Do you want to remove it (y/n/a/q)? y
Warning: Symmetrix device path c21t13d6 is currently dead.
Do you want to remove it (y/n/a/q)? y


server005:root/ > ./sbin/powermt display dev=all

Symmetrix ID=000290103418
Logical device ID=03BB
state=alive; policy=SymmOpt; priority=0; queued-IOs=0
==============================================================================
---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================================================
18 6/0/2/1/0.97.5.19.0.13.1 c18t13d1 FA 9aA active alive 0 1
21 6/0/13/1/0.97.5.19.0.13.1 c21t13d1 FA 8aA active alive 0 1