patch 8.2.1420: test 49 is old style

Problem:    Test 49 is old style.
Solution:   Convert remaining parts to new style. Remove obsolete items.
            (Yegappan Lakshmanan, closes #6683)
diff --git a/Filelist b/Filelist
index 37f1d8c..02574e9 100644
--- a/Filelist
+++ b/Filelist
@@ -158,7 +158,9 @@
 		src/testdir/gen_opt_test.vim \
 		src/testdir/README.txt \
 		src/testdir/Make_all.mak \
-		src/testdir/*.in \
+		src/testdir/dotest.in \
+		src/testdir/test1.in \
+		src/testdir/test77a.in \
 		src/testdir/*.py \
 		src/testdir/lsan-suppress.txt \
 		src/testdir/sautest/autoload/*.vim \
@@ -177,9 +179,8 @@
 		src/testdir/summarize.vim \
 		src/testdir/term_util.vim \
 		src/testdir/view_util.vim \
-		src/testdir/test[0-9]*.ok \
-		src/testdir/test[0-9]*a.ok \
-		src/testdir/test49.vim \
+-		src/testdir/test1.ok \
+		src/testdir/test77a.ok \
 		src/testdir/test83-tags? \
 		src/testdir/test77a.com \
 		src/testdir/test_*.vim \