Remove rects GM from ignored-tests.txt and rebaseline

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

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 8876 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "rects_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1137848633999335317
+          976600562565686322
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6097460113826341776
+          15414707596956342420
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4735223207287250693
+          5239371086466419447
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           565498776261988620
         ]
       ], 
       "bugs": [
         1578
@@ skipping 2397 matching lines @@
           14019814087375927425
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }