disable rust server test due to lint error (#379)

Author: wing328

pom.xml

@@ -958,7 +958,7 @@
                 <module>samples/client/petstore/typescript-angular-v4.3/npm</module>
                 <!--<module>samples/client/petstore/bash</module>-->
                 <module>samples/client/petstore/ruby</module>
-                <module>samples/server/petstore/rust-server</module>
+                <!--<module>samples/server/petstore/rust-server</module>-->
             </modules>
         </profile>
         <profile>