Drop unnecessary #to_sym

Author: wjohnstondrip

lib/drip/client/configuration.rb

@@ -16,7 +16,7 @@ def initialize(**options)
         @url_prefix = nil
 
         options.each do |k, v|
-          public_send("#{k}=".to_sym, v)
+          public_send("#{k}=", v)
         end
       end