removed white noise in swirlds.log

Signed-off-by: Jeromy Cannon <[email protected]>

Author: jeromy-cannon

resources/templates/log4j2.xml

@@ -306,6 +306,10 @@
       <!-- <AppenderRef ref="Console"/> -->
       <AppenderRef ref="RollingFile"/>
     </Logger>
+    <Logger name="io.grpc" level="INFO" additivity="false">
+      <!-- <AppenderRef ref="Console"/> -->
+      <AppenderRef ref="RollingFile"/>
+    </Logger>
     <Logger name="discover" level="WARN" additivity="false">
       <!-- <AppenderRef ref="Console"/> -->
       <AppenderRef ref="RollingFile"/>