[dart:io] Remove double-close from recursive directory delete

runtime/bin/directory_android.cc

Index: runtime/bin/directory_android.cc
diff --git a/runtime/bin/directory_android.cc b/runtime/bin/directory_android.cc
index 21d95ef35d4fa6dff02f5ff5877e3eca9a013de7..9152f919963505df6e706522ede42f2c3aefcf6d 100644
--- a/runtime/bin/directory_android.cc
+++ b/runtime/bin/directory_android.cc
@@ -303,7 +303,6 @@ static bool DeleteRecursively(int dirfd, PathBuffer* path) {
       }
       // End of directory.
       int status = NO_RETRY_EXPECTED(closedir(dir_pointer));
-      FDUtils::SaveErrorAndClose(fd);
       if (status != 0) {
         return false;
       }
@@ -364,7 +363,6 @@ static bool DeleteRecursively(int dirfd, PathBuffer* path) {
   ASSERT(errno != 0);
   int err = errno;
   VOID_NO_RETRY_EXPECTED(closedir(dir_pointer));
-  FDUtils::SaveErrorAndClose(fd);
   errno = err;
   return false;
 }