Tests: Remove erroneous connector fixtures from merge artifact

The connectors API key entries in wp-api-generated.js were
incorrectly carried over during the trunk merge. Trunk does not
include them in the generated fixtures since the settings are
dynamically registered and not present in the CI test context.

Author: josephfusco

tests/qunit/fixtures/wp-api-generated.js

@@ -11067,24 +11067,6 @@ mockedApiResponse.Schema = {
                         "PATCH"
                     ],
                     "args": {
-                        "connectors_ai_anthropic_api_key": {
-                            "title": "Anthropic API Key",
-                            "description": "API key for the Anthropic AI provider.",
-                            "type": "string",
-                            "required": false
-                        },
-                        "connectors_ai_google_api_key": {
-                            "title": "Google API Key",
-                            "description": "API key for the Google AI provider.",
-                            "type": "string",
-                            "required": false
-                        },
-                        "connectors_ai_openai_api_key": {
-                            "title": "OpenAI API Key",
-                            "description": "API key for the OpenAI AI provider.",
-                            "type": "string",
-                            "required": false
-                        },
                         "title": {
                             "title": "Title",
                             "description": "Site title.",
@@ -14873,9 +14855,6 @@ mockedApiResponse.CommentModel = {
 };
 
 mockedApiResponse.settings = {
-    "connectors_ai_anthropic_api_key": "",
-    "connectors_ai_google_api_key": "",
-    "connectors_ai_openai_api_key": "",
     "title": "Test Blog",
     "description": "",
     "url": "http://example.org",