Remove tests that are present only in main version of tt-metal

Version 55 of tt-metal does not have the unit-test-dispatch tests.
Remove so the nightly can pass

Signed-off-by: Dimitri Gnidash <[email protected]>

Author: dimitri-tenstorrent

.github/workflows/hardware-long.yml

@@ -187,9 +187,6 @@ jobs:
           # Run metal tests
           tests/scripts/run_cpp_unit_tests.sh
           TT_METAL_SLOW_DISPATCH_MODE=1 tests/scripts/run_cpp_unit_tests.sh
-          TT_METAL_SLOW_DISPATCH_MODE=1 tests/scripts/run_cpp_unit_tests.sh
-          TT_METAL_SKIP_ETH_CORES_WITH_RETRAIN=1 ./build/test/tt_metal/unit_tests_dispatch --gtest_filter="CommandQueueSingleCardFixture.*"
-          TT_METAL_SKIP_ETH_CORES_WITH_RETRAIN=1 ./build/test/tt_metal/unit_tests_dispatch --gtest_filter="CommandQueueSingleCardProgramFixture.*"
       - name: cleanup
         if: ${{ always() }}
         run: |