comment out qt5 cpp tests

Author: wing328

pom.xml

@@ -1036,7 +1036,7 @@
             <modules>
                 <!-- clients -->
                 <module>samples/client/petstore/c</module>
-                <module>samples/client/petstore/cpp-qt5</module>
+                <!-- <module>samples/client/petstore/cpp-qt5</module> -->
                 <module>samples/client/petstore/elm-0.18</module>
                 <module>samples/client/petstore/rust</module>
                 <module>samples/client/petstore/rust-reqwest</module>