modified log_type param: removed default val and made it required param

Author: Yoichi Kawasaki

ChangeLog.md

@@ -1,5 +1,6 @@
 ## 0.1.1
 * Changed required minimum version of azure-loganalytics-datacollector-api to >= 0.1.2
+* modified log_type param: removed default val and made it required param
 
 ## 0.1.0
 

lib/fluent/plugin/out_azure-loganalytics.rb

@@ -15,7 +15,7 @@ def initialize
                  :desc => "Your Operations Management Suite workspace ID"
     config_param :shared_key, :string, :secret => true,
                  :desc => "The primary or the secondary Connected Sources client authentication key"
-    config_param :log_type, :string, default: nil,
+    config_param :log_type, :string,
                  :desc => "The name of the event type that is being submitted to Log Analytics"
     config_param :add_time_field, :bool, :default => true,
                  :desc => "This option allows to insert a time field to record"