feat: Remove deprecated flags (#11338)

packages/cli/src/gemini.test.tsx

@@ -315,21 +315,17 @@ describe('gemini.tsx main function kitty protocol', () => {
     vi.mocked(parseArguments).mockResolvedValue({
       model: undefined,
       sandbox: undefined,
-      sandboxImage: undefined,
       debug: undefined,
       prompt: undefined,
       promptInteractive: undefined,
       query: undefined,
-      showMemoryUsage: undefined,
       yolo: undefined,
       approvalMode: undefined,
-      checkpointing: undefined,
       allowedMcpServerNames: undefined,
       allowedTools: undefined,
       experimentalAcp: undefined,
       extensions: undefined,
       listExtensions: undefined,
-      proxy: undefined,
       includeDirectories: undefined,
       screenReader: undefined,
       useSmartEdit: undefined,