fix: Remove remaining references to disableLlmCommandSuggestions

This completes the removal of the LLM command suggestions feature by:
- Removing the setting from Task.ts system prompt generation
- Removing the message handler case from webviewMessageHandler.ts

src/core/task/Task.ts

@@ -1649,7 +1649,6 @@ export class Task extends EventEmitter<ClineEvents> {
 				maxReadFileLine !== -1,
 				{
 					maxConcurrentFileReads,
-					disableLlmCommandSuggestions: state?.disableLlmCommandSuggestions ?? false,
 				},
 			)
 		})()

src/core/webview/webviewMessageHandler.ts

@@ -1273,10 +1273,6 @@ export const webviewMessageHandler = async (
 			await updateGlobalState("followupAutoApproveTimeoutMs", message.value)
 			await provider.postStateToWebview()
 			break
-		case "disableLlmCommandSuggestions":
-			await updateGlobalState("disableLlmCommandSuggestions", message.bool ?? false)
-			await provider.postStateToWebview()
-			break
 		case "browserToolEnabled":
 			await updateGlobalState("browserToolEnabled", message.bool ?? true)
 			await provider.postStateToWebview()