style(rubocop): Lint/DuplicateBranch

app/models/additional_route_endpoint.rb

@@ -37,9 +37,7 @@ class AdditionalRouteEndpoint < ApplicationRecord
   end
 
   def _endpoint=(value)
-    if value.blank?
+    if value && value =~ /\#/
-      self.endpoint = nil
-    elsif value =~ /\#/
       class_name, id = value.split("#", 2)
       unless Route::ENDPOINT_TYPES.include?(class_name)
         raise Postal::Error, "Invalid endpoint class name '#{class_name}'"

lib/postal/message_db/database.rb

@@ -306,9 +306,7 @@ module Postal
             "1"
           elsif value == false
             "0"
-          elsif value.nil?
+          elsif value.nil? || value.to_s.empty?
-            "NULL"
-          elsif value.to_s.empty?
             "NULL"
           else
             "'" + mysql.escape(value.to_s) + "'"