Delete more unused image test expectations

Gets rid of more unused pixel test expectations. This change removes
expectations that are redundant because they contain exactly the same
pixels as another expectation.

This change rolls in similar updates to the corpus tests.

Bug: pdfium:1987
Change-Id: I4d8b4f9deefb9a23e3bd2539f93b9ded78e349f9
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/103752
Reviewed-by: Nigi <nigi@chromium.org>
Commit-Queue: K. Moon <kmoon@chromium.org>
diff --git a/DEPS b/DEPS
index 7bb0542..30b74e1 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': '96f53167dd82553b199038d455fa2644d6057726',
+  'pdfium_tests_revision': 'abb87a035235c2322267e13a138498c2ad1e85fd',
   # 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/resources/pixel/bug_1308_1_expected_skia.pdf.0.png b/testing/resources/pixel/bug_1308_1_expected_skia.pdf.0.png
deleted file mode 100644
index 33a45c0..0000000
--- a/testing/resources/pixel/bug_1308_1_expected_skia.pdf.0.png
+++ /dev/null
Binary files differ
diff --git a/testing/resources/pixel/bug_1922_expected_mac.pdf.0.png b/testing/resources/pixel/bug_1922_expected_agg_mac.pdf.0.png
similarity index 100%
rename from testing/resources/pixel/bug_1922_expected_mac.pdf.0.png
rename to testing/resources/pixel/bug_1922_expected_agg_mac.pdf.0.png
Binary files differ
diff --git a/testing/resources/pixel/bug_1922_expected_skia.pdf.0.png b/testing/resources/pixel/bug_1922_expected_skia.pdf.0.png
deleted file mode 100644
index 73057ac..0000000
--- a/testing/resources/pixel/bug_1922_expected_skia.pdf.0.png
+++ /dev/null
Binary files differ
diff --git a/testing/resources/pixel/bug_524043_6_expected_mac.pdf.0.png b/testing/resources/pixel/bug_524043_6_expected_mac.pdf.0.png
deleted file mode 100644
index 3edcc2d..0000000
--- a/testing/resources/pixel/bug_524043_6_expected_mac.pdf.0.png
+++ /dev/null
Binary files differ
diff --git a/testing/resources/pixel/bug_909762_expected_skia.pdf.0.png b/testing/resources/pixel/bug_909762_expected_skia.pdf.0.png
deleted file mode 100644
index d01a7fc..0000000
--- a/testing/resources/pixel/bug_909762_expected_skia.pdf.0.png
+++ /dev/null
Binary files differ
diff --git a/testing/resources/pixel/bug_909762_expected_win.pdf.0.png b/testing/resources/pixel/bug_909762_expected_win.pdf.0.png
deleted file mode 100644
index d01a7fc..0000000
--- a/testing/resources/pixel/bug_909762_expected_win.pdf.0.png
+++ /dev/null
Binary files differ
diff --git a/testing/resources/pixel/xfa_specific/static_password_field_rotate_expected_win.pdf.1.png b/testing/resources/pixel/xfa_specific/static_password_field_rotate_expected_win.pdf.1.png
deleted file mode 100644
index c73f1a9..0000000
--- a/testing/resources/pixel/xfa_specific/static_password_field_rotate_expected_win.pdf.1.png
+++ /dev/null
Binary files differ
diff --git a/testing/resources/pixel/xfa_specific/use_ahem/bug_997412_expected_skia.pdf.0.png b/testing/resources/pixel/xfa_specific/use_ahem/bug_997412_expected_skia.pdf.0.png
deleted file mode 100644
index 08c11b0..0000000
--- a/testing/resources/pixel/xfa_specific/use_ahem/bug_997412_expected_skia.pdf.0.png
+++ /dev/null
Binary files differ