patch 8.1.0344: 'hlsearch' highlighting has a gap after /$

Problem:    'hlsearch' highlighting has a gap after /$.
Solution:   Remove suspicious code. (Ricky Zhou, closes #3400)
diff --git a/src/testdir/test_hlsearch.vim b/src/testdir/test_hlsearch.vim
index db7a937..0b59440 100644
--- a/src/testdir/test_hlsearch.vim
+++ b/src/testdir/test_hlsearch.vim
@@ -4,7 +4,6 @@
   new
   call setline(1, repeat(['aaa'], 10))
   set hlsearch nolazyredraw
-  let r=[]
   " redraw is needed to make hlsearch highlight the matches
   exe "normal! /aaa\<CR>" | redraw
   let r1 = screenattr(1, 1)
@@ -51,3 +50,16 @@
   set nohlsearch redrawtime&
   bwipe!
 endfunc
+
+func Test_hlsearch_eol_highlight()
+  new
+  call append(1, repeat([''], 9))
+  set hlsearch nolazyredraw
+  exe "normal! /$\<CR>" | redraw
+  let attr = screenattr(1, 1)
+  for row in range(2, 10)
+    call assert_equal(attr, screenattr(row, 1), 'in line ' . row)
+  endfor
+  set nohlsearch
+  bwipe!
+endfunc