Removed unnecessary comment

Author: ocelotl

ext/opentelemetry-ext-flask/tests/test_programmatic.py

@@ -29,8 +29,6 @@
 
 class TestProgrammatic(WsgiTestBase, InstrumentationTest):
     def setUp(self):
-        # No instrumentation code is here because it is present in the
-        # conftest.py file next to this file.
         super().setUp()
 
         self.app = Flask(__name__)