remove bad gm expected images

expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json

Index: expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json
diff --git a/expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json b/expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json
index bcef8ccf3deef73348573f6a57764bca823368b1..a96323ad35b4468ad09215e78febaae1a1f1d693 100644
--- a/expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json
+++ b/expectations/gm/Test-Mac10.8-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json
@@ -12277,15 +12277,6 @@
       ], 
       "ignore-failure": false
     }, 
-    "shadertext2_pdf-native.png": {
-      "allowed-digests": [
-        [
-          "bitmap-64bitMD5", 
-          6028713510025816385
-        ]
-      ], 
-      "reviewed-by-human": true
-    }, 
     "shadertext2_pdf-poppler.png": {
       "allowed-digests": [
         [
@@ -12340,15 +12331,6 @@
       ], 
       "ignore-failure": false
     }, 
-    "shadertext3_pdf-native.png": {
-      "allowed-digests": [
-        [
-          "bitmap-64bitMD5", 
-          9362821307127451325
-        ]
-      ], 
-      "reviewed-by-human": true
-    }, 
     "shadertext3_pdf-poppler.png": {
       "allowed-digests": [
         [
@@ -12409,15 +12391,6 @@
       ], 
       "reviewed-by-human": false
     }, 
-    "shadertext_pdf-native.png": {
-      "allowed-digests": [
-        [
-          "bitmap-64bitMD5", 
-          11576482093640129802
-        ]
-      ], 
-      "reviewed-by-human": true
-    }, 
     "shadertext_pdf-poppler.png": {
       "allowed-digests": [
         [