fix(cli): correct shell height reporting (#21492)

packages/cli/src/ui/AppContainer.tsx

@@ -1420,32 +1420,6 @@ Logging in with Google... Restarting Gemini CLI to continue.
   const initialPromptSubmitted = useRef(false);
   const geminiClient = config.getGeminiClient();
 
-  useEffect(() => {
-    if (activePtyId) {
-      try {
-        ShellExecutionService.resizePty(
-          activePtyId,
-          Math.floor(terminalWidth * SHELL_WIDTH_FRACTION),
-          Math.max(
-            Math.floor(availableTerminalHeight - SHELL_HEIGHT_PADDING),
-            1,
-          ),
-        );
-      } catch (e) {
-        // This can happen in a race condition where the pty exits
-        // right before we try to resize it.
-        if (
-          !(
-            e instanceof Error &&
-            e.message.includes('Cannot resize a pty that has already exited')
-          )
-        ) {
-          throw e;
-        }
-      }
-    }
-  }, [terminalWidth, availableTerminalHeight, activePtyId]);
-
   useEffect(() => {
     if (
       initialPrompt &&