Fix reenabling of plugins

e51c428fe5ef3960f4990e1c0471d067783d4718 broke the unregistering of plugin
owned SSH command by passing wrong instance to the ConcurrentMap.remove()
function. Currently plugins can not be reenabled.

Change-Id: I2b2dfe6ffe89a426a03d945d9695bc35e7fe9f1a
1 file changed