remove redundant shadow test

Author: sbSteveK

sdk/pom.xml

@@ -132,10 +132,8 @@
                 <source>greengrass/event-stream-rpc-server/src/main/java</source>
                 <source>greengrass/event-stream-rpc-server/src/test/java</source>
                 <source>greengrass/greengrass-client/src/test/java</source>
-                <!-- IOT tests -->
-                <source>tests/iot</source>
+                <!-- MQTT tests -->
                 <source>tests/mqtt</source>
-                <!-- MQTT5 tests -->
                 <source>tests/mqtt5</source>
                 <source>tests/v2serviceclients</source>
               </sources>