support/testing: remove python2 tests for automat and attrs

Since commit ef5c8be25ab373866b5a92d3d9f31bf36b7a8abf those packages
depend on python3. Hence, we can remove the python2 tests.

Signed-off-by: Asaf Kahlon <asafka7@gmail.com>

support/testing/tests/package/test_python_attrs.py

@@ -1,16 +1,6 @@
 from tests.package.test_python import TestPythonPackageBase
 
 
-class TestPythonPy2Attrs(TestPythonPackageBase):
-    __test__ = True
-    config = TestPythonPackageBase.config + \
-        """
-        BR2_PACKAGE_PYTHON=y
-        BR2_PACKAGE_PYTHON_ATTRS=y
-        """
-    sample_scripts = ["tests/package/sample_python_attrs.py"]
-
-
 class TestPythonPy3Attrs(TestPythonPackageBase):
     __test__ = True
     config = TestPythonPackageBase.config + \

support/testing/tests/package/test_python_automat.py

@@ -1,17 +1,6 @@
 from tests.package.test_python import TestPythonPackageBase
 
 
-class TestPythonPy2Automat(TestPythonPackageBase):
-    __test__ = True
-    config = TestPythonPackageBase.config + \
-        """
-        BR2_PACKAGE_PYTHON=y
-        BR2_PACKAGE_PYTHON_AUTOMAT=y
-        """
-    sample_scripts = ["tests/package/sample_python_automat.py"]
-    timeout = 30
-
-
 class TestPythonPy3Automat(TestPythonPackageBase):
     __test__ = True
     config = TestPythonPackageBase.config + \