Remove suppression of distantclip image differences

expectations/gm/Test-ChromeOS-Link-HD4000-x86_64-Debug/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 2489 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "distantclip_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2455115578822786504
+          12081034570142193461
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "distantclip_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2455115578822786504
+          12081034570142193461
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "downsamplebitmap_checkerboard_high_512_256_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           15154730871764821124
         ]
       ], 
       "reviewed-by-human": true
     }, 
@@ skipping 4079 matching lines @@
           2149562185397201955
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }