Remove image_8bit_devicergb_dctdecode.pdf from the suppression list

This CL removes image_8bit_devicergb_dctdecode.pdf from the
suppression list since its rendering issue has been fixed by CL [1].

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

Fixed: pdfium:1862
Change-Id: Id13a87d3b3e8364eae6b4e5b02e022ae506f53ef
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/98623
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Nigi <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index aaae84c..da9304b 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': 'de98839600918731c7247d5202240acdb7c4b092',
+  'pdfium_tests_revision': '628230e81487e01c8adb3109cd740ce82a260a3f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling skia
   # and whatever else without interference from each other.
diff --git a/testing/SUPPRESSIONS b/testing/SUPPRESSIONS
index f68f677..a2710b5 100644
--- a/testing/SUPPRESSIONS
+++ b/testing/SUPPRESSIONS
@@ -332,9 +332,6 @@
 formfeild.pdf * * * *
 getarray.pdf mac * * *
 
-# TODO(pdfium:1862): Remove after associated bug is fixed
-image_8bit_devicergb_dctdecode.pdf * * * skia
-
 # TODO(pdfium:1856): Remove after associated bug is fixed
 image_bmp.pdf * * * skia