fix: delete recreation category related codes

Author: 오수현

.gitignore

@@ -0,0 +1 @@
+.idea/

hangsha/src/main/resources/db/migration/V16__remove_recreation_category.sql

@@ -44,10 +44,6 @@ INSERT INTO categories (group_id, name, sort_order)
 SELECT cg.id, '학습/진로상담', 5
 FROM category_groups cg WHERE cg.name = '프로그램 유형';
 
-INSERT INTO categories (group_id, name, sort_order)
-SELECT cg.id, '레크리에이션', 6
-FROM category_groups cg WHERE cg.name = '프로그램 유형';
-
 INSERT INTO categories (group_id, name, sort_order)
 SELECT cg.id, 'OpenLnL', 6
 FROM category_groups cg WHERE cg.name = '프로그램 유형';