coin: Make macOS 12 and 13 Tart ARM VMs significant

The last 30 days shows that these configs are stable, so we can
make them significant:

 http://testresults.qt.io/grafana/goto/jBYi1JsSR?orgId=1

The tst_qheif::writeImage test has been blacklisted separately.

Change-Id: Ibe7981bce2db1ec90781d3ea33fe7d4541990aea
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
(cherry picked from commit 70ace7ae78d6637c21a646e726caffb36a1968a6)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

coin/instructions/cmake_regular_test_instructions.yaml

@@ -12,21 +12,4 @@ instructions:
   - type: ChangeDirectory
     directory: "{{.SourceDir}}_standalone_tests"
 
-  # Ignore CTest exit code for Tart configs, unless
-  # the module declares that it should be significant.
-  - type: Group
-    enable_if:
-      condition: and
-      conditions:
-        - condition: property
-          property: id
-          contains_value: tart
-        - condition: runtime
-          env_var: TART_SIGNIFICANT_TARGET_OSVERSIONS
-          not_contains_value: "{{.Env.TARGET_OSVERSION_COIN}}"
-    instructions:
-      - type: EnvironmentVariable
-        variableName: COIN_CTEST_IGNORE_EXIT_CODE
-        variableValue: "1"
-
   - !include "{{qt/qtbase}}/cmake_run_ctest.yaml"