Revert "scripts: quarantine: add sample.qspi.ext_flash_xip"

This reverts commit 1da9b3e.

This is now fixed.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

scripts/quarantine.yaml

@@ -61,9 +61,3 @@
     - unit.*
     - native_sim.*
   comment: "SUIT is planned to be removed from NCS soon"
-
-- scenarios:
-    - sample.qspi.ext_flash_xip
-  platforms:
-    - nrf52840dk/nrf52840
-  comment: "https://nordicsemi.atlassian.net/browse/NRFX-7699"