[Skia] Remove some corpus tests from the suppression list

Some corpus tests in fx/new/ch_7/ are fixed by CL [1]. This CL updates
their Skia expectations and removes them from the suppression list.

[1] https://pdfium-review.googlesource.com/97791

Bug: pdfium:1819
Change-Id: Ibe3aac6a6f3bfaa822b24de9688a46b2b8a96179
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/100451
Commit-Queue: Nigi <nigi@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index a9e892d..e1e366d 100644
--- a/DEPS
+++ b/DEPS
@@ -130,7 +130,7 @@
   # 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': 'ea69bc085138acda77fce4153ccd8b2260c05594',
+  'pdfium_tests_revision': 'd9ef4ae67c89af1de020f0a4b5b16718a5b6ba88',
   # 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 a0833ee..da537b3 100644
--- a/testing/SUPPRESSIONS
+++ b/testing/SUPPRESSIONS
@@ -170,28 +170,6 @@
 calculate_validate.pdf mac * * *
 calculate_validate.pdf * nov8 * *
 ch_1.pdf * * * *
-
-# TODO(pdfium:1819): Remove after associated bug is fixed
-ch_7_0.pdf * * * skia
-
-# TODO(pdfium:1819): Remove after associated bug is fixed
-ch_7_1.pdf * * * skia
-
-# TODO(pdfium:1819): Remove after associated bug is fixed
-ch_7_4.pdf * * * skia
-
-# TODO(pdfium:1819): Remove after associated bug is fixed
-ch_7_5.pdf * * * skia
-
-# TODO(pdfium:1819): Remove after associated bug is fixed
-ch_7_6.pdf * * * skia
-
-# TODO(pdfium:1819): Remove after associated bug is fixed
-ch_7_7.pdf * * * skia
-
-# TODO(pdfium:1819): Remove after associated bug is fixed
-ch_7_8.pdf * * * skia
-
 check_box.pdf * * * *
 color.pdf mac * * *
 colorspace.pdf mac * * *