Drop lines.pdf from the suppression list

Bug: pdfium:1957
Change-Id: I1e32734d0720796cdba1a2b52b30d575224c0cc9
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/103371
Commit-Queue: Nigi <nigi@chromium.org>
Reviewed-by: K. Moon <kmoon@chromium.org>
diff --git a/DEPS b/DEPS
index 71bb091..308b460 100644
--- a/DEPS
+++ b/DEPS
@@ -140,7 +140,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling pdfium_tests
   # and whatever else without interference from each other.
-  'pdfium_tests_revision': '8270942034a1b3f626c8b1fcb4d317fad75c46a1',
+  'pdfium_tests_revision': '61311caef141c90d3e5c7a86d9eed1a919c9d131',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling resultdb
   # and whatever else without interference from each other.
diff --git a/testing/SUPPRESSIONS b/testing/SUPPRESSIONS
index 229cb2a..e9b32ac 100644
--- a/testing/SUPPRESSIONS
+++ b/testing/SUPPRESSIONS
@@ -259,10 +259,6 @@
 jetman_std.pdf mac * * *
 jetman_std_fixed.pdf mac * * *
 js_calculate.pdf * * * *
-
-# TODO(pdfium:1957): Remove after associated bug is fixed
-lines.pdf * * * skia
-
 list_box.pdf * * * *
 
 negative.pdf mac * * *