ci: remove unsupported test markers

examples/system/ota/otatool/pytest_otatool.py

@@ -10,7 +10,10 @@ import pytest
 from pytest_embedded import Dut
 
 
-@pytest.mark.supported_targets
+@pytest.mark.esp32
+@pytest.mark.esp32s2
+@pytest.mark.esp32c3
+@pytest.mark.esp32s3
 @pytest.mark.generic
 def test_otatool_example(dut: Dut) -> None:
     # Verify factory firmware