catalog gen ui tests fixed

Author: tolgaerdonmez

frontend/app/[locale]/(authenticated)/qa-catalogs/generate/page.test.tsx

@@ -150,7 +150,6 @@ describe("Synthetic QA Catalog Generation Page", () => {
         ],
         sampleCount: 5,
         knowledgeGraphLocation: null,
-        useExistingKnowledgeGraph: true,
       },
       modelConfigSchema: {
         type: "RAGAS",
@@ -176,7 +175,6 @@ describe("Synthetic QA Catalog Generation Page", () => {
         ],
         sampleCount: 5,
         knowledgeGraphLocation: null,
-        useExistingKnowledgeGraph: true,
       },
       modelConfigSchema: {
         type: "RAGAS",

frontend/app/[locale]/(authenticated)/qa-catalogs/plugins/implementations/ragas.tsx

@@ -306,7 +306,6 @@ export const ragasGeneratorPlugin = createQACatalogGenerationPlugin({
       queryDistribution: getDefaultSynthesizerValues(),
       personas: [],
       knowledgeGraphLocation: null,
-      useExistingKnowledgeGraph: true,
     },
     modelConfig: { llmEndpoint: null },
   }),