Revert inadvertent change to logging for examples

Author: nwbirnie

google-ads-examples/src/main/resources/log4j2.xml

@@ -31,9 +31,9 @@ information about slf4j.
   </Appenders>
   <Loggers>
     <Logger name="com.google.ads.googleads.lib.request.summary" level="info"/>
-    <Logger name="com.google.ads.googleads.lib.request.detail" level="all"/>
+    <Logger name="com.google.ads.googleads.lib.request.detail" level="info"/>
     <Root level="off">
       <AppenderRef ref="CONSOLE"/>
     </Root>
   </Loggers>
-</Configuration>
+</Configuration>