Revert "Better to use deleteLater with QObjects."

Authored by stikonas on May 11 2016, 9:17 PM.

Description

Revert "Better to use deleteLater with QObjects."

This reverts commit 3ec80be2a1e73090ddcfa88b7cd4f3fa9fd6728e.

This was causing a crash when changing filesystem (reformatting).