Revert mvn changes

Author: andy-hf-kwok

pom.xml

@@ -738,14 +738,14 @@ under the License.
                       <artifactId>scala-maven-plugin</artifactId>
                       <configuration>
                           <args>
-<!--                              <arg>-deprecation</arg>-->
-<!--                              <arg>-unchecked</arg>-->
-<!--                              <arg>-feature</arg>-->
-<!--                              <arg>-Xlint:_</arg>-->
-<!--                              <arg>-Ywarn-dead-code</arg>-->
+                              <arg>-deprecation</arg>
+                              <arg>-unchecked</arg>
+                              <arg>-feature</arg>
+                              <arg>-Xlint:_</arg>
+                              <arg>-Ywarn-dead-code</arg>
                               <arg>-Ywarn-numeric-widen</arg>
-<!--                              <arg>-Ywarn-value-discard</arg>-->
-<!--                              <arg>-Ywarn-unused:imports,patvars,privates,locals,params,-implicits</arg>-->
+                              <arg>-Ywarn-value-discard</arg>
+                              <arg>-Ywarn-unused:imports,patvars,privates,locals,params,-implicits</arg>
                               <arg>-Xfatal-warnings</arg>
                           </args>
                       </configuration>