Revert "forgot"

This reverts commit 154cf2ff01.

src/windowManager.cpp

@@ -217,9 +217,6 @@ bool CWindowManager::handleEvent() {
         sanityCheckOnWorkspace(active);
     }
 
-    // fix unmanaged windows
-    unmanageUnnamedWindows();
-
     // remove unused workspaces
     cleanupUnusedWorkspaces();