tests: Remove old charset test after migration.

src/nvim/testdir/Makefile

@@ -25,7 +25,6 @@ SCRIPTS :=                                                             \
                                    test88.out                          \
            test_listlbr.out                                            \
            test_breakindent.out                                        \
-           test_charsearch.out                                         \
            test_close_count.out                                        \
            test_marks.out                                              \
            test_match_conceal.out                                      \

src/nvim/testdir/test_charsearch.in

@@ -1,25 +0,0 @@
-Test for character searches
-
-STARTTEST
-:so small.vim
-:" check that "fe" and ";" work
-/^X
-ylfep;;p,,p:
-:" check that save/restore works
-/^Y
-ylfep:let csave = getcharsearch()
-fip:call setcharsearch(csave)
-;p;p:
-:" check that setcharsearch() changes the settins.
-/^Z
-ylfep:call setcharsearch({'char': 'k'})
-;p:call setcharsearch({'forward': 0})
-$;p:call setcharseearch({'until'}: 1})
-;;p:
-:/^X/,$w! test.out
-:qa!
-ENDTEST
-
-Xabcdefghijkemnopqretuvwxyz
-Yabcdefghijkemnopqretuvwxyz
-Zabcdefghijkemnokqretkvwxyz

src/nvim/testdir/test_charsearch.ok

@@ -1,3 +0,0 @@
-XabcdeXfghijkeXmnopqreXtuvwxyz
-YabcdeYfghiYjkeYmnopqreYtuvwxyz
-ZabcdeZfghijkZemnokZqretkZvwxyz