Diff suppress timestamp for dataproc cluster autoDeleteTime

Signed-off-by: Modular Magician <[email protected]>

libraries/google_sql_database_instance.rb

@@ -92,7 +92,7 @@ def authorized_networks
   end
 
   def primary_ip_address
-    return '' if !@ip_addresses.size == 0 || @ip_addresses[0].ip_address.nil?
+    return '' if !@ip_addresses.size.zero? || @ip_addresses[0].ip_address.nil?
     @ip_addresses[0].ip_address
   end