Removed argLine from dialogs POM (#1275)

Author: tracyboehrer

libraries/bot-dialogs/pom.xml

@@ -162,15 +162,4 @@
       </plugin>
     </plugins>
   </reporting>
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-surefire-plugin</artifactId>
-        <configuration>
-          <argLine>${argLine} -Dfile.encoding=UTF-8</argLine>
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
 </project>