refactor: Remove Row Level Security from categories table definition

Author: nannany

supabase/migrations/20250618040313_delete_rls_from_categories.sql

@@ -0,0 +1,3 @@
+alter table "public"."categories" disable row level security;
+
+

supabase/schemas/categories.sql

@@ -14,9 +14,6 @@ create table if not exists public.categories (
 -- インデックス
 create index if not exists categories_name_idx on public.categories (name);
 
--- RLS (Row Level Security)
-alter table public.categories enable row level security;
-
 -- コメント
 comment on table public.categories is 'タスクカテゴリマスターテーブル';
 comment on column public.categories.id is 'カテゴリの一意識別子';