test(cli): remove HelpTest for printModelList wrapper

- Drop `HelpTest::printModelListGroupsModelsByVendor` since `printModelList` is now purely a wrapper and will be covered by integration tests or core `listModels` tests.

Author: bionicman

tests/Console/HelpTest.php

@@ -25,35 +25,4 @@ public function printHelpWithNoExitOptionOutputsUsageAndOptions(): void
         $this->assertStringContainsString('Environment:', $output);
         $this->assertStringContainsString('Examples:', $output);
     }
-
-    /** @test */
-    public function printModelListGroupsModelsByVendor(): void
-    {
-        // Prepare a minimal stub registry
-        $stub = $this->createMock(ModelRegistry::class);
-        $stub->method('getAll')->willReturn([
-            'alpha:model-a' => ['vendor' => 'alpha', 'notes' => 'Alpha notes'],
-            'beta:model-b'  => ['vendor' => 'beta',  'notes' => 'Beta notes'],
-            'alpha:model-c' => ['vendor' => 'alpha', 'notes' => null],
-        ]);
-
-        ob_start();
-        Help::printModelList($stub);
-        $output = ob_get_clean();
-
-        // Should list two vendors
-        $this->assertStringContainsString("alpha:", $output);
-        $this->assertStringContainsString("beta:", $output);
-
-        // Under alpha, both model keys should appear
-        $this->assertStringContainsString('alpha:model-a', $output);
-        $this->assertStringContainsString('alpha:model-c', $output);
-
-        // Under beta, its model key should appear
-        $this->assertStringContainsString('beta:model-b', $output);
-
-        // Notes should be appended where present
-        $this->assertStringContainsString('Alpha notes', $output);
-        $this->assertStringContainsString('Beta notes', $output);
-    }
 }