Unblacklist a few tst_QQuickPopup tests on macOS

These were added in 031da65 but don't
have any test data listed in Grafana on 6.5, 6.8, 6.9, 6.10 or dev, so
we can assume they're passing.

Task-number: QTBUG-114718
Pick-to: 6.8
Change-Id: Ia7e6effc46b56c0e9985c00182de7436fc1ab037
Reviewed-by: Tor Arne Vestbø <[email protected]>
(cherry picked from commit f27b546)
Reviewed-by: Qt Cherry-pick Bot <[email protected]>
(cherry picked from commit 2f807fa)

Author: mitchcurtis

tests/auto/quickcontrols/qquickpopup/BLACKLIST

@@ -1,13 +1,7 @@
 # See qtbase/src/testlib/qtestblacklist.cpp for format
 
-# QTBUG-114718 (begin)
-[invisibleToolTipOpen]
-macos
-[cursorShape]
-macos
 [doubleClickInMouseArea]
-macos
-# QTBUG-114718 (end)
+macos # QTBUG-139571
 
 [zOrder]
 macos # QTBUG-89938