Remove unneeded clips window keyboard focus workaround.
Remove unneeded clips window keyboard focus workaround.

The workaround called `setFocus` for each new clips window. It is no
longer needed, perhaps because we switched from PySide to PyQt.
HaroldMills/Vesper,HaroldMills/Vesper,HaroldMills/Vesper,HaroldMills/Vesper,HaroldMills/Vesper