♻️ Remove duplicated strategy and tests (#2446)

Author: KATO-Hiro

src/lib/utils/auth_forms.ts

@@ -120,14 +120,6 @@ const formValidationStrategies = [
       return { form: { ...form, message: '' } };
     },
   },
-  {
-    name: 'Use zod adapter explicitly',
-    async run(request: Request) {
-      const zodAdapter = zod(authSchema);
-      const form = await superValidate(request, zodAdapter);
-      return { form: { ...form, message: '' } };
-    },
-  },
   {
     name: 'Create fallback form manually',
     async run(_request: Request) {

src/test/lib/utils/auth_forms.test.ts

@@ -242,8 +242,7 @@ describe('auth_forms', () => {
 
       expect(result).toBeDefined();
       // When validation fails, but another strategy succeeds, valid could be true
-      // Let's check what we actually get
-      expect(result.posted).toBe(false); // Default superValidate return
+      expect(result.posted).toBe(true);
       expect(mockConsoleWarn).toHaveBeenCalled();
     });