Remove rects GM from ignored-tests.txt and rebaseline

expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86-Release/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 11278 matching lines @@
           "bitmap-64bitMD5", 
           5310489292142636715
         ]
       ], 
       "ignore-failure": false
     }, 
     "rects_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8537349251170466267
+          8304629145373604760
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8768242891680984439
+          4452188589632355207
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4940315842301367764
+          11339980900210544915
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_mesa.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10353457659472318390
         ]
       ], 
       "ignore-failure": false
     }, 
     "rects_pdf-mac.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12527069561328171171
+          263081333122246486
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "roundrects_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10192478482016992029
         ]
       ], 
       "reviewed-by-human": true
     }, 
@@ skipping 3121 matching lines @@
           7829854837061118142
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }