Remove unused feature flag param

languageservice/src/complete.ts

@@ -532,7 +532,7 @@ function getExpressionCompletionItems(
   context: DescriptionDictionary,
   extensionFunctions: FunctionInfo[],
   pos: Position,
-  featureFlags?: FeatureFlags
+  _featureFlags?: FeatureFlags
 ): CompletionItem[] {
   if (!token.range) {
     return [];
@@ -551,8 +551,8 @@ function getExpressionCompletionItems(
   const expressionInput = (getExpressionInput(currentInput, cursorOffset) || "").trim();
 
   try {
-    return completeExpression(expressionInput, context, extensionFunctions, validatorFunctions, featureFlags).map(
-      item => mapExpressionCompletionItem(item, currentInput[cursorOffset])
+    return completeExpression(expressionInput, context, extensionFunctions, validatorFunctions).map(item =>
+      mapExpressionCompletionItem(item, currentInput[cursorOffset])
     );
   } catch (e) {
     error(`Error while completing expression: '${(e as Error)?.message || "<no details>"}'`);