patch 8.2.4796: file left behind after running cursorline tests

Problem:    File left behind after running cursorline tests.
Solution:   Uncomment the line that deletes the file.
diff --git a/src/testdir/test_cursorline.vim b/src/testdir/test_cursorline.vim
index 776eea8..e7c2d0b 100644
--- a/src/testdir/test_cursorline.vim
+++ b/src/testdir/test_cursorline.vim
@@ -322,7 +322,7 @@
   call VerifyScreenDump(buf, 'Test_hor_scroll_4', {})
 
   call StopVimInTerminal(buf)
-  "call delete('Xhor_scroll')
+  call delete('Xhor_scroll')
 endfunc