Fixed slf4j-simple configuration

Author: marcin-cebo

pubnub-kotlin/pubnub-kotlin-docs/src/main/resources/simplelogger.properties

@@ -1,11 +1,8 @@
 # Set default logging level
-org.slf4j.simpleLogger.defaultLogLevel=info
+org.slf4j.simpleLogger.defaultLogLevel=debug
 
 # Configure PubNub logging
-org.slf4j.simpleLogger.log.com.pubnub=trace
-
-# Set PubNub okhttp network calls logger to debug
-org.slf4j.simpleLogger.log.pubnub.okhttp=debug
+org.slf4j.simpleLogger.log.com.pubnub=debug
 
 # Show date-time in logs
 org.slf4j.simpleLogger.showDateTime=true