Revert "Notice when (non-sugar) activity factories fail to launch. #1975"
Revert "Notice when (non-sugar) activity factories fail to launch. #1975"

This reverts commit d2aba901c3f85e66ba9c5b6b5d506f472552b48b.

The change made etoys *always* apparently fail to launch; the problem
is with sugar-native-factory, not activityfactory.py

gusDuarte/sugar-toolkit-gtk3,tchx84/debian-pkg-sugar-toolkit-gtk3,puneetgkaur/backup_sugar_sugartoolkit,tchx84/sugar-toolkit-gtk3,quozl/sugar-toolkit-gtk3,puneetgkaur/backup_sugar_sugartoolkit,sugarlabs/sugar-toolkit,sugarlabs/sugar-toolkit-gtk3,quozl/sugar-toolkit-gtk3,samdroid-apps/sugar-toolkit-gtk3,sugarlabs/sugar-toolkit-gtk3,ceibal-tatu/sugar-toolkit,i5o/sugar-toolkit-gtk3,tchx84/debian-pkg-sugar-toolkit-gtk3,tchx84/debian-pkg-sugar-toolkit-gtk3,Daksh/sugar-toolkit-gtk3,quozl/sugar-toolkit-gtk3,ceibal-tatu/sugar-toolkit,ceibal-tatu/sugar-toolkit-gtk3,sugarlabs/sugar-toolkit,gusDuarte/sugar-toolkit-gtk3,i5o/sugar-toolkit-gtk3,ceibal-tatu/sugar-toolkit-gtk3,sugarlabs/sugar-toolkit,Daksh/sugar-toolkit-gtk3,godiard/sugar-toolkit-gtk3,sugarlabs/sugar-toolkit,tchx84/sugar-toolkit-gtk3,ceibal-tatu/sugar-toolkit-gtk3,puneetgkaur/sugar-toolkit-gtk3,puneetgkaur/sugar-toolkit-gtk3,tchx84/sugar-toolkit-gtk3,puneetgkaur/sugar-toolkit-gtk3,tchx84/debian-pkg-sugar-toolkit,tchx84/debian-pkg-sugar-toolkit,godiard/sugar-toolkit-gtk3,samdroid-apps/sugar-toolkit-gtk3,samdroid-apps/sugar-toolkit-gtk3,gusDuarte/sugar-toolkit-gtk3,godiard/sugar-toolkit-gtk3,manuq/sugar-toolkit-gtk3,manuq/sugar-toolkit-gtk3,ceibal-tatu/sugar-toolkit,gusDuarte/sugar-toolkit-gtk3,sugarlabs/sugar-toolkit-gtk3,Daksh/sugar-toolkit-gtk3,puneetgkaur/backup_sugar_sugartoolkit,tchx84/debian-pkg-sugar-toolkit,quozl/sugar-toolkit-gtk3,i5o/sugar-toolkit-gtk3,samdroid-apps/sugar-toolkit-gtk3,manuq/sugar-toolkit-gtk3,i5o/sugar-toolkit-gtk3