Revert "Kill the additional history copy window at the end"
Revert "Kill the additional history copy window at the end"

This reverts commit 014de33fb0e21bb8e966009146095870bebd682c.

When test runs are automated we need to keep the HistoryCarbonCopy
around until we have saved the log file.

t-b/igor-unit-testing-framework,t-b/igor-unit-testing-framework