remove c file
remove c file

weihuali0509/web-appinventor,weihuali0509/web-appinventor,mark-friedman/web-appinventor,mark-friedman/web-appinventor,weihuali0509/web-appinventor,weihuali0509/web-appinventor,mark-friedman/web-appinventor,mark-friedman/web-appinventor,weihuali0509/web-appinventor,mark-friedman/web-appinventor