Take care of a bunch of pending GPU rebaselines and remove tests from ignored-tests.txt

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json

Index: expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json
index 9691cde8943ba5662a99c32e66158ffc52b83741..a042c2e3a093a1a2d7697e59386a7cc0836b19b7 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Debug-DirectWrite/expected-results.json
@@ -4773,7 +4773,7 @@
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           "bitmap-64bitMD5", 
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       "reviewed-by-human": true
@@ -4962,7 +4962,7 @@
       "allowed-digests": [
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           "bitmap-64bitMD5", 
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+          1503976714167724830
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       "reviewed-by-human": true
@@ -5151,7 +5151,7 @@
       "allowed-digests": [
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           "bitmap-64bitMD5", 
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+          7150690595680088793
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       "reviewed-by-human": true
@@ -5798,7 +5798,7 @@
       "allowed-digests": [
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+          5752432145406068435
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@@ -12233,10 +12233,10 @@
       "allowed-digests": [
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           "bitmap-64bitMD5", 
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+          7468160426894723766
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-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "vertices_80_pdf-poppler.png": {
       "allowed-digests": [