refactor(amazonq): delegate language server to handle concurrent inline requests

Author: Will-ShaoHua

packages/amazonq/src/app/inline/completion.ts

@@ -300,12 +300,6 @@ export class AmazonQInlineCompletionItemProvider implements InlineCompletionItem
             options: JSON.stringify(getAllRecommendationsOptions),
         })
 
-        // prevent concurrent API calls and write to shared state variables
-        if (vsCodeState.isRecommendationsActive) {
-            getLogger().info('Recommendations already active, returning empty')
-            return []
-        }
-
         if (vsCodeState.isCodeWhispererEditing) {
             getLogger().info('Q is editing, returning empty')
             return []